87 research outputs found

    Lani Maestro : Paramita

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    This catalogue was made to accompany Paramita, an installation by Maestro based on a series of war drawings produced by her brother Mark in 1975. On the artist’s suggestion, M. Ogura relates his experience of World War Two in Japan; he then evokes the perception of light and a series of drawings on a white wall, and of the notion of moving image, derived from film memories. Brief technical description of the installation. Short artist’s statement. Texts in French and English. Biographical notes on artist and author

    Strutural [sic] and dynamic NMR studies of the Crk proto-oncogene

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    The Crk family of adaptor proteins is ubiquitously expressed in most tissues and mediates the timely formation of protein complexes elicited by a variety of extracellular stimuli, including various growth and differentiation factors. This class of proteins lacks an apparent catalytic domain and may serve as adaptors, coupling different proteins of a signal transduction cascade. Crk adaptor proteins are made up of one modular Src homology 2 (SH2) and two Src homology 3 (SH3) domains. SH2 domains bind to phosphotyrosine (pTyr) containing sequence, while SH3 domain binds to proline rich motifs. The two SH3 domains are separated by long linker containing highly conserved proline reisdues. Although the role of SH2 and N-terminal SH3 (SH3N) domains of Crk has been generally delineated, the role of C-terminal SH3 (SH3C) domain remains entirely unknown. There is, however, increasing evidence that the SH3C domain along with the linker act as a regulatory element. Despite the fact that Crk has provided a model system for understanding how adaptor proteins mediate signal transduction, currently the mechanistic basis for the regulation of its function remain elusive. Such an understanding is now rendered evev more urgent because of Crk has been found to be overexpressed in many human cancers. Here, using an integrated NMR, thermodynamic, and biochemical approach, we show the presence of a unique regulatory mechanism in Crk. We have shown hat the SH3C domain serves to regulate the binding activity of the SH3N domain through an intramolecular interaction that is controlled by a prolyl cis/trans isomerization. Proline isomeerization toggles rk between two conformations: an autoinhibitory one, stabilized by the intramolecuar association of the two SH3 domains in the cis form, and an unhibited, activated one prompted by the trans form. The data provides atomic insight into the mechanisms that underpin the functionality of this binary switch and elucidate its remarkable efficiency. The results also demonstrate the interactions are mediated by novel SH3 binding surface. Also, the phosphorylation of the regulatory Tyrosine (Y222) by c-Abl is regulated by another set of prolyl-peptidyl bond, which also serve as a substrate for Cyclophilin A (CypA).Ph.D.Includes bibliographical referencesIncludes vitaby Paramita Sarka

    Analisis Faktor-Faktor Yang Mempengaruhi Keputusan Pembelian Pada PT Asia Paramita Indah Batam

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    Increasing economic growth, is expected to be directed to increase public incomes and fulfill daily needs. The purpose of this study is to determine the effect of Variable service quality (X1) price (X2), and promotion (X3) on purchasing decisions In PT Asia Paramita Indah Batam (Y). In this study, the sampling process is done by using non probability sampling which is a sampling technique that does not provide equal opportunities to be selected into the sample, for this sampling of this author using saturated sampling method. Based on the above sampling technique using saturated sampling technique from the total population of 135 people, then taken as sample is 135 people. Data were collected using questionnaires measured by Likert scale. This study uses multiple linear regression analysis with the help of SPSS version 20.0 program. The results of this study indicate that the variable quality of service (X1) price (X2), and promotion (X3) simultaneously affect the purchase decision In PT Asia Paramita Indah Batam. Variable quality of service (X1) price (X2), and promotion (X3) partially influence partially on purchasing decision In PT Asia Paramita Indah Batam

    Identifikasi dan Observasi Histologi Letak Fungi Endofit yang Diisolasi dari Tanaman Jeruk Purut (Citrus hystix DC.)

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    AbstrakFungi endofit merupakan kelompok fungi yang hidup di dalam jaringan tumbuhan tanpa menyebabkan kerusakan struktur jaringan tumbuhan inangnya. Sumber isolat fungi endofit dapat berasal dari tanaman berkhasiat obat, salah satunya yaitu tanaman jeruk purut (Citrus hystrix DC.). Tanaman ini mengandung beberapa senyawa aktif yaitu alkaloid, polifenol, minyak atsiri, tanin, flavonoid, dan saponin yang bersifat antimikroba. Penelitian ini bertujuan untuk 1) Mengidentifikasi fungi endofit yang diisolasi dari daun dan ranting tanaman jeruk purut secara in vitro, dan 2) Menentukan letak fungi endofit dalam jaringan daun dan ranting tanaman jeruk purut. Penelitian ini merupakan penelitian deskriptif eksploratif. Isolasi dilakukan secara aseptik dengan cara meletakkan potongan daun dan ranting jeruk purut di permukaan medium lempeng PDA, kemudian diinkubasikan dengan suhu 25-270C selama 3-7x24 jam. Setiap macam fungi endofit yang berhasil diisolasi kemudian dideskripsikan melalui pengamatan makroskopis dan mikroskopis dan dirujukkan pada buku kunci identifikasi fungi untuk menentukan nama spesies fungi endofit. Observasi letak fungi endofit dalam jaringan daun dan ranting jeruk purut dilakukan melalui pembuatan preparat irisan paradermal, longitudinal, dan transversal yang kemudian diamati dibawah mikroskop cahaya. Hasil penelitian menunjukkan bahwa, 1) spesies fungi endofit yang berhasil diisolasi dan diidentifikasi dari daun jeruk purut yaitu Colletotrichum alienum, Mycelia sterilia, C. queensiandicum, C. camalliae, dan C. siamense. Pada ranting jeruk purut ditemukan C. queensiandicum, C. gleosporioides, dan C.psidii; 2) hifa fungi endofit pada jaringan daun jeruk purut ditemukan di permukaan luar dinding sel: epidermis atas, palisade, dan sponsa, sedangkan  dalam jaringan ranting jeruk purut ditemukan pada permukaan luar dinding sel: epidermis dan parenkima korteks. Kata Kunci: fungi endofit, daun jeruk purut, ranting jeruk purut AbstractEndophytic fungi are a group of fungi that live in plant tissue without causing damage to the host plant tissue. Structure the source of endophytic fungi isolates can be taken from medicinal plants, i.e: kaffir lime (Citrus hystrix DC.). This plant contains several active compounds, which is alkaloids, polyphenols, essential oils, tannins, flavonoids, and saponins that have antimicrobial effect. This study aims to 1) Identify endophytic fungi isolated from kaffir lime plants leaves and twigs in vitro, and 2) determine the location of endophytic fungi from kaffir lime plants leaves and twigs tissue. This research is a descriptive explorative research. The object in this study is endophytic fungi that live in the kaffir lime plants leaves and twigs. The kaffir lime leaves and twigs were cutted and inoculated acceptically on Potato Dextrose Agar (PDA) medium, than incubated at 25-270C for 7x24 hours. Each endophytic fungus isolates described by morphologic and microscopic observations. The observations result are referred to the fungi identification book to determine the endophytic fungi species. The location of the endophytic fungi were observed by paradermal, longitudinal, and transverse slide and observe microscopically. The research result shows that; 1) there are seven species endophytic fungi that were successfully isolated and identified from kaffir lime leaves; Colletotrichum alienum, Mycelia sterilia, C. queensiandicum, C. camalliae, and C. siamense. The endophytic fungi isolated from kaffir lime twig are C. queensiandicum, C. gleosporioides, and C.psidii; 2) the endophytic fungi hyphae isolated from kaffir lime leaves are found in the epidermal cell wall, palisade cell wall, sponge cell wall and on the kaffir lime twig are found in the epidermal cell wall and cortex paranchyma cell wall. Keywords: endophytic fungi, kaffir lime leaves, kaffir lime twi

    REKONSILIASI FISKAL ATAS LAPORAN KEUANGAN KOMERSIAL DALAM MENENTUKAN PAJAK PENGHASILAN (PPh) TERUTANG (Studi kasus pada PT. Paramita Lestari Tahun Pajak 2022)

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    ABSTRACT The object of this research is PT. Paramita Lestari, a limited liability company involved in the garment manufacturing industry. The aim of this research is to determine the value of the company's income tax payable by reconciling commercial financial reports to fiscal financial reports. By carrying out reconciliation, the company will carry out its tax obligations in accordance with applicable tax laws. Positive fiscal corrections usually relate to costs that are not allowed by tax, as regulated in Article 9 of the Income Tax Law. Meanwhile, a negative fiscal correction will cause taxable profit to decrease or will result in a reduction in income tax payable. In the research carried out, the author analyzed the data using a descriptive method, namely by describing the condition of the financial reports regarding phenomena that occurred by collecting data, calculating income tax, making fiscal corrections in accordance with Law Number 36 of 2008. The types of data used were primary data and secondary data. The results of this research conclude that there is a difference between commercial profit and loss and fiscal profit and loss. This difference occurs because fiscal corrections are made to costs and income in commercial financial reports based on tax regulations. Keywords: Income Tax, Commercial Financial Reports, Fiscal Financial Reports, Fiscal Corrections. ABSTRAK Objek dari penelitian ini adalah PT. Paramita Lestari, sebuah perseroan terbatas yang berkecimpung dalam industri manufaktur garmen. Tujuan penelitian ini adalah untuk menentukan nilai pajak penghasilan terutang perusahaan dengan melakukan rekonsiliasi laporan keuangan komersial menjadi laporan keuangan fiskal. Dengan melakukan rekonsiliasi, perusahaan akan melakukan kewajiban perpajakan sesuai dengan undang undang perpajakan yang berlaku. Koreksi fiskal positif biasanya terkait biaya-biaya yang tidak diperbolehkan oleh pajak, sebagaimana diatur dalam Pasal 9 UU PPh. Sedangkan Koreksi fiskal negatif akan menyebabkan laba kena pajak berkurang atau akan menjadi pengurangan PPh terutang. Dalam penelitian yang dilakukan, penulis menganalisis data dengan metode deskriptif yaitu dengan menggambarkan keadaan laporan keuangan atas fenomena yang terjadi dengan melakukan pengumpulan data, menghitung PPh, melakukan koreksi fiskal sesuai dengan Undang-undang Nomor 36 Tahun 2008. Jenis data yang digunakan adalah data primer dan data sekunder. Hasil penelitian ini menyimpulkan bahwa terdapat perbedaan antara laba- rugi menurut komersial dengan laba-rugi menurut fiskal. Perbedaan ini terjadi karena dilakukan koreksi fiskal terhadap biaya-biaya dan penghasilan dalam laporan keuangan komersial berdasarkan peraturan perpajakan. Kata Kunci: Pajak Penghasilan, Laporan Keuangan Komersial, Laporan Keuangan Fiskal, Koreksi Fiska

    Dispersion of graphene nanoplatelets in water with surfactant and reinforcement of mortar with graphene nanoplatelets

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    This research investigated the dispersion behavior of graphene nanoplatelets (GNPs) in water with water reducing admixture (WRA), a type of surfactant. The dosage of GNPs was fixed at 0.2wt% of water, and the dosage of the WRA functioned as the controlled variable. Sedimentation experiments qualitatively characterized the stability of the dispersion. The team characterized the time evolution of particle size with dynamic light scattering (DLS). Ultraviolet-visible spectroscopy (UV-vis) measured the time evolution of the opacity of the suspension. Scanning electron microscopy (SEM) gave a qualitative set of micrographs of the particles taken out of the suspension. The team characterized the surface forces with point of zero charge (PZC) experiments. This research has the potential to improve the future application of GNPs to composite materials. The author also carried out mechanical testing. Notched beams were prepared and tested in three-point bending. The data were then analyzed in keeping with the two-parameter fracture model. The mechanical results were inconclusive, but they suggested a path forward to continued research.Item withdrawn by Laura Spradlin ([email protected]) on 2014-12-08T17:52:46Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 Wotring_Erik.pdf: 1440869 bytes, checksum: 486fbe5de0fc4a83099cc3c957d98c0d (MD5)Made available in DSpace on 2015-01-21T19:48:25Z (GMT). No. of bitstreams: 1 Erik_Wotring.pdf: 2992099 bytes, checksum: c76d55a3851bb84fae1211d51e999185 (MD5

    Dinamika Ketahanan Pangan Di Indonesia Tahun 1998–2024: Dampak Laju Pertumbuhan Penduduk, Curah Hujan, Luas Lahan Pertanian, Impor Beras, Dan Harga Beras Domestik

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    Ketahanan pangan merupakan isu strategis yang terus menjadi perhatian di Indonesia, terutama terkait beras sebagai komoditas pangan utama. Penelitian ini bertujuan untuk menganalisis pengaruh laju pertumbuhan penduduk, curah hujan, luas lahan pertanian, impor beras, dan harga beras domestik terhadap ketahanan pangan di Indonesia selama periode 1998–2024. Penelitian menggunakan data sekunder time series yang bersumber dari Badan Pusat Statistik, World Bank, dan Pusat Data dan Sistem Informasi Pertanian Kementerian Pertanian. Metode analisis yang digunakan adalah regresi linier berganda dengan pendekatan logaritmik serta pengujian asumsi klasik untuk memastikan kelayakan model. Hasil penelitian menunjukkan bahwa laju pertumbuhan penduduk dan harga beras domestik berpengaruh positif dan signifikan terhadap ketahanan pangan, sementara impor beras berpengaruh negatif dan signifikan. Sebaliknya, curah hujan dan luas lahan pertanian tidak menunjukkan pengaruh yang signifikan terhadap ketahanan pangan nasional. Temuan ini mengindikasikan bahwa dinamika ketahanan pangan Indonesia lebih dipengaruhi oleh faktor struktural dan kebijakan ekonomi dibandingkan faktor alamiah. Oleh karena itu, penguatan produksi domestik, pengendalian impor beras, serta kebijakan stabilisasi harga yang berkeadilan menjadi kunci dalam memperkuat ketahanan pangan nasional secara berkelanjutan

    REKONSILIASI FISKAL ATAS LAPORAN KEUANGAN KOMERSIAL DALAM MENENTUKAN PAJAK PENGHASILAN (PPh) TERUTANG (Studi kasus pada PT. Paramita Lestari Tahun Pajak 2022)

    No full text
    ABSTRACT The object of this research is PT. Paramita Lestari, a limited liability company involved in the garment manufacturing industry. The aim of this research is to determine the value of the company's income tax payable by reconciling commercial financial reports to fiscal financial reports. By carrying out reconciliation, the company will carry out its tax obligations in accordance with applicable tax laws. Positive fiscal corrections usually relate to costs that are not allowed by tax, as regulated in Article 9 of the Income Tax Law. Meanwhile, a negative fiscal correction will cause taxable profit to decrease or will result in a reduction in income tax payable. In the research carried out, the author analyzed the data using a descriptive method, namely by describing the condition of the financial reports regarding phenomena that occurred by collecting data, calculating income tax, making fiscal corrections in accordance with Law Number 36 of 2008. The types of data used were primary data and secondary data. The results of this research conclude that there is a difference between commercial profit and loss and fiscal profit and loss. This difference occurs because fiscal corrections are made to costs and income in commercial financial reports based on tax regulations. Keywords: Income Tax, Commercial Financial Reports, Fiscal Financial Reports, Fiscal Corrections. ABSTRAK Objek dari penelitian ini adalah PT. Paramita Lestari, sebuah perseroan terbatas yang berkecimpung dalam industri manufaktur garmen. Tujuan penelitian ini adalah untuk menentukan nilai pajak penghasilan terutang perusahaan dengan melakukan rekonsiliasi laporan keuangan komersial menjadi laporan keuangan fiskal. Dengan melakukan rekonsiliasi, perusahaan akan melakukan kewajiban perpajakan sesuai dengan undang undang perpajakan yang berlaku. Koreksi fiskal positif biasanya terkait biaya-biaya yang tidak diperbolehkan oleh pajak, sebagaimana diatur dalam Pasal 9 UU PPh. Sedangkan Koreksi fiskal negatif akan menyebabkan laba kena pajak berkurang atau akan menjadi pengurangan PPh terutang. Dalam penelitian yang dilakukan, penulis menganalisis data dengan metode deskriptif yaitu dengan menggambarkan keadaan laporan keuangan atas fenomena yang terjadi dengan melakukan pengumpulan data, menghitung PPh, melakukan koreksi fiskal sesuai dengan Undang-undang Nomor 36 Tahun 2008. Jenis data yang digunakan adalah data primer dan data sekunder. Hasil penelitian ini menyimpulkan bahwa terdapat perbedaan antara laba- rugi menurut komersial dengan laba-rugi menurut fiskal. Perbedaan ini terjadi karena dilakukan koreksi fiskal terhadap biaya-biaya dan penghasilan dalam laporan keuangan komersial berdasarkan peraturan perpajakan. Kata Kunci: Pajak Penghasilan, Laporan Keuangan Komersial, Laporan Keuangan Fiskal, Koreksi Fiska

    Nucleation seeding in metakaolin geopolymers

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    Geopolymers are a class of amorphous, aluminosilicate-based binders proposed as an alternative to the cement binders used commonly in the construction industry. One of the main advantages of using geopolymer concrete is the fact that waste materials like fly ash are used as precursors for its production. Therefore, minimal CO2 emissions (a greenhouse gas) are associated with the preparation of geopolymer precursors. In comparison, cement production is accompanied with CO2 formation as a by-product, and therefore, geopolymers are believed to be more environment-friendly than cement binders. Despite such benefits, the use of geopolymers in the construction industry is limited due to reasons such as a lack of understanding of geopolymer chemistry. In addition, chemical admixtures used in conventional concrete are not applicable to geopolymers due to differences in chemistry of the two binder materials. Understanding nucleation kinetics in cement binders have led to the development of different admixtures such as accelerators and retarders and it is believed that a clear picture of the nucleation step in geopolymer formation will aid the development of admixtures. Consequently, an increased application of geopolymers in the industry is expected. Therefore, the objective of this research was to prove and study the nucleation step in metakaolin-sodium hydroxide (MK-NaOH) geopolymer formation. The objective was accomplished by adding silica, titania, synthesized zeolite A and zeolite X nanopowders as external seeds in MK-NaOH geopolymers. Isothermal calorimetry revealed that the addition of these nanoparticles accelerated the rate of heat evolution from metakaolin-sodium hydroxide (MK-NaOH) geopolymers at early age (≤24h). This observation provided indirect evidence of a nucleation step existing in geopolymer formation. This hypothesis was subsequently validated by studying the effects of external seeding on a synthesized aluminosilicate-sodium hydroxide (AlSi-NaOH) geopolymer. Fourier transform infrared spectroscopy (FTIR) revealed that the AlSi-NaOH geopolymer forms two products - one similar to MK-NaOH geopolymer product and the other being a silica rich geopolymer product. Adding zeolite X to the AlSi-NaOH binders promoted formation of the MK-NaOH geopolymer product over the silica-rich geopolymer, which proved that zeolite X serves as a nucleation seed for MK-NaOH binders. External seeding in MK-NaOH geopolymer was observed to decrease porosity at early age (≤7d) and consequently, improvements in compressive strength were noted up to 28d for zeolite X seeded mixes, and up to 70d for SiO2 seeded mixes. These observations suggests that external nucleation seeding is a promising method to control and improve the hardened properties of geopolymers. A secondary objective was to understand the dissolution of aluminosilicates in salicylic acid-methanol (SAM) solution. The SAM dissolution is a selective dissolution technique which has been used previously in our laboratory to remove calcium silicate hydrates from sodium aluminosilicate geopolymer product. This approach was taken while assuming that geopolymer-like aluminosilicates are immune to SAM solution, as stated in literature. However, it was revealed that SAM indeed dissolves sodium aluminosilicates. The mechanism of dissolution was revealed to be an acid attack on the oxygen atom in bridged hydroxyl (Si-O-Al-) groups. The acidity of these groups were observed to be controlled by aluminum in the next nearest neighbor positions, with Q4(4Al) Si associated bridged hydroxyl groups being the least acidic. Therefore, salicylic acid selectively attacks and removes aluminum associated with these sites by forming chelates. Since SAM solution can dissolve aluminosilicates based on their structure, it should be used with caution as a selective dissolution technique.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2020-08-01The student, Dipobrato Sarbapalli, accepted the attached license on 2018-07-18 at 12:59.The student, Dipobrato Sarbapalli, submitted this Thesis for approval on 2018-07-18 at 13:09.This Thesis was approved for publication on 2018-07-18 at 14:59.DSpace SAF Submission Ingestion Package generated from Vireo submission #12015 on 2018-09-27 at 11:32:40Made available in DSpace on 2018-09-27T16:45:27Z (GMT). No. of bitstreams: 2 SARBAPALLI-THESIS-2018.pdf: 39421265 bytes, checksum: 1ab5ffde56691588a1794b6cbbec31b5 (MD5) LICENSE.txt: 4217 bytes, checksum: a6ef18656b86e683c930271c6b6e7146 (MD5) Previous issue date: 2018-07-18Embargo set by: Seth Robbins for item 107839 Lift date: 2020-09-27T16:45:39Z Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemEmbargo set by: Seth Robbins for item 107839 Lift date: 2020-09-27T16:47:41Z Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemLimited Restriction Lifted for Item 107839 on 2020-09-28T09:15:30Z

    Prospective retarders for alkali-activated slag: stability at high alkalinity, effects on setting behavior and strength of paste

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    Alternate binders are becoming essential to counteract the carbon emissions caused by manufacture of ordinary Portland cements. Geopolymers or alkali-activated systems with precursors as fly ash, slag or metakaolin, or a mixture of these, are possible substitutes. There are several hindrances to their use in construction due to the lack of understanding and control of properties of the system, starting from initial product formation rate all the way to long-term durability. Ordinary Portland cement systems have been around for a much longer time in history and so have been admixtures that can bring about desired changes in the properties of the material. Similar admixtures for the alternative binders are much less well-established. Through this study, the author hopes to contribute to this field of admixtures for the alternate binders. The scope was narrowed down to one of the major challenges of control of fresh properties. The current investigation looks at an alkali-activated slag system, which has a short, or fast, hardening time. This is not conducive to its use in mainstream construction and a control of the setting or hardening time is essential. Several retarders have been conventionally used for this purpose in the ordinary Portland cement systems. This investigation hopes to study the effectiveness of these retarders in the significantly different alkali-activated system, while also exploring novel retarders. Conventional admixtures used here were organic in nature such as lignosulfonate-based, polycarboxylate-based and naphthalene formaldehyde-based. Novel retarders were a mixture of inorganic and organic substances selected to achieve specific effects (adsorption, complexation, seeding, etc.) that might affect reaction rate. These novel retarders were, namely, dodecyltrimethylammonium chloride (DTAC), poly(diallyldimethylammonium chloride) (PDADMAC), ethylenediaminetetraacetic acid (EDTA) and zinc oxide nanoparticles. Isothermal calorimetry was the primary test conducted to observe effects on the reaction rate. Stability in the high pH environment was assessed visually and also chemically through infrared spectroscopy. Compressive strength tests were conducted for the novel admixtures and the hardened product was analyzed through infrared spectroscopy. Additional tests such as zeta-potential measurements, adsorption measurements through UV-Vis-NIR spectroscopy and ultrasonic wave reflection (for hardening) were performed, but quality data was hard to obtain. The results from these tests are not part of the main investigation and have been presented separately in the Appendix. Most conventional organic admixtures were found to be unstable in the high pH (>14) alkali solution. Those that were stable did not retard the reaction when added to paste. The novel admixtures were stable in the high pH environment and retarded the reaction. Some admixtures also had unexpected consequences, unrelated to retardation. The results of this investigation may serve towards the foundation of admixtures for alkali-activated systems and facilitate the exploration or artificial synthesis of such admixtures.Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2017-08-10 without embargo termsThe student, Palash Badjatya, accepted the attached license on 2017-04-28 at 11:39.The student, Palash Badjatya, submitted this Thesis for approval on 2017-04-28 at 11:40.This Thesis was approved for publication on 2017-04-28 at 12:41.DSpace SAF Submission Ingestion Package generated from Vireo submission #10682 on 2017-08-10 at 13:39:05Made available in DSpace on 2017-08-10T19:14:50Z (GMT). No. of bitstreams: 2 BADJATYA-THESIS-2017.pdf: 3223047 bytes, checksum: 63ff375d103e2347bce9f9cfc2ccd27e (MD5) LICENSE.txt: 4212 bytes, checksum: 826b107fa3aecb1b14aa5cd2806bee3a (MD5) Previous issue date: 2017-04-2
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