Petra Christian University

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    AI: Teritorial Yang Belum Terpetakan

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    Berisi pemikiran tentang hal-hal apa saja yang mungkin bisa dilakukan dengan A

    Model Integratif Gaya Kepemimpinan Transformasional Dan Lingkungan Kerja Terhadap Loyalitas Karyawan Generasi Z Di Indonesia: Peran Mediasi Workplace Wellbeing

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    Loyalty from employees is vital for the long-term success of a business, especially when it comes to Generation Z, who have their own unique traits in the modern workplace. The goal of this study is to look at how transformational leadership style and the work environment affect the loyalty of Generation Z workers in Indonesia. Workplace wellness will be looked at as an intervening variable. This study used a sample of 100 respondents selected through purposive sampling technique. Data analysis was carried out using the Structural Equation Modeling (SEM) method with the help of SmartPLS software. The results of the study showed that the results of the study showed that transformational leadership style and work environment through workplace wellbeing have a significant effect on the loyalty of Generation Z employees in Indonesia

    Vehicle Routing Problem Optimization for Rebar Material Distribution using the Symbiotic Organisms Search Method

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    The success rate of construction projects depends on subcontractors and material suppliers, especially in ensuring the material delivery to avoid delays and cost overruns. The Vehicle Routing Problem (VRP) addresses transportation management to minimize the distribution costs. This study presents a comparative analysis of three VRP scenarios: the existing case, the Capacitated Vehicle Routing Problem (CVRP), and the Capacitated Vehicle Routing Problem with Time Windows (CVRPTW). The Symbiotic Organisms Search (SOS) method is used to solve the VRP of a building materials supplier in Sulawesi, Indonesia in delivering rebar to 19 locations over 12 weeks while considering the vehicle capacity and the time window constraints. The results show that the SOS method effectively handles the rebar distribution problems with these constraints. The CVRP scenario achieves a total cost saving of Rp 23,263,278 (26.15%), while the CVRPTW scenario saves Rp 6,732,942 (7.57%)

    Analisis Pergeseran Penerjemahan Dokumen di PT. Semen Imasco Asiatic

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    PT. Semen Imasco Asiatic, yang telah berdiri sejak 2020, merupakan sebuah perusahaan manufaktur semen yang termasuk bagian dari Hongshi Group asal China dan merupakan salah satu brand semen China yang dapat bersaing dengan brand lainnya, setiap dokumen tertulis dari PT. Semen Imasco Asiatic menggunakan dua Bahasa, yaitu Bahasa Mandarin dan Bahasa Indonesia. Penelitian ini bertujuan untuk mencari tahu pergeseran penerjemahan yang terjadi dalam dokumen tertulis PT. Semen Imasco Asiatic dan mencari tahu strategi penerjemahan dari dokumen tertulis PT. Semen Imasco Asiatic. Penelitian ini menggunakan metode kualitatif. Data penelitian untuk penelitian ini adalah tiga dokumen tertulis yang diberikan PT.Semen Imasco Asiatic kepada penulis. Analisis pergeseran penerjemahan dan strategi penerjemahan dilakukan dengan cara mengelompokkan kalimat sesuai dengan kategori pergeseran dan strategi penerjemahan. Berdasarkan hasil penelitian, PT. Semen Imasco Asiatic paling banyak terjadi pergeseran intra sistem dalam penerjemahan dokumen tertulis. Strategi penerjemahan yang paling sering digunakan oleh PT. Semen Imasco Asiatic adalah penerjemahan dengan kata netral

    Antara Suasana, Layanan, Rasa, dan Harga: Menelusuri Kepuasan Pelanggan Grab-and-Go Coffee Shop di Surabaya

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    Persaingan yang semakin ketat dalam industri kedai kopi grab-and-go, yang disebabkan oleh pertumbuhan pesat, telah mendorong para pelaku bisnis untuk kreatif menarik pelanggan baru sekaligus aktif mempertahankan kepuasan pelanggannya. Literatur sebelumnya mengidentifikasi empat faktor utama yang mungkin berkontribusi terhadap kepuasan pelanggan dalam industri ini, yaitu suasana (atmosphere), sikap karyawan (employee attitude), kualitas kopi (coffee quality), dan kewajaran harga (price fairness). Studi ini menginvestigasi apakah keempat faktor tersebut secara signifikan memengaruhi kepuasan pelanggan di kedai kopi grab-and-go di Surabaya. Sebanyak 120 responden direkrut selama periode September&#65533;November 2024 untuk berpartisipasi dalam survei. Analisis utama dilakukan menggunakan model regresi Ordinary Least Squares (OLS) dengan robust standard errors. Hasil menunjukkan bahwa, selain atmosphere (&#946; = &#65533;0.062), faktor lainnya&#65533;employee attitude (&#946; = 0.412), coffee quality (&#946; = 0.336), dan price fairness (&#946; = 0.297)&#65533;berpengaruh signifikan terhadap kepuasan pelanggan dengan nilai p < 0.05. Menariknya, pelanggan tampak menghargai employee attitude lebih tinggi dibandingkan coffee quality maupun price fairness. Temuan ini menunjukkan bahwa pelaku bisnis dalam industri kedai kopi grab-and-go sebaiknya memprioritaskan employee attitude sebagai fokus strategis untuk meningkatkan kepuasan pelanggan. Akan tetapi, hal ini tidak berarti bahwa kualitas kopi dan kewajaran harga dapat diabaikan, karena keduanya tetap merupakan komponen penting dalam memuaskan pelanggan

    Pendampingan UMKM dalam Strategi Harga melalui Analisis Supplier dan Kompetitor

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    Kegiatan pengabdian kepada masyarakat ini dilaksanakan sebagai bentuk pendampingan bagi salah satu Usaha Mikro, Kecil, dan Menengah (UMKM) di Surabaya yang bergerak di bidang penjualan perabotan rumah tangga berbahan plastik dan melamin. Permasalahan utama mitra adalah belum adanya analisis yang sistematis terhadap pemasok (supplier) dan pesaing (kompetitor), sehingga strategi penetapan harga dan pengendalian biaya belum berbasis data keuangan yang akurat. Hal ini menyebabkan mitra kesulitan menentukan harga jual yang kompetitif dan menjaga stabilitas arus kas usaha. Tujuan kegiatan ini adalah membantu mitra dalam melakukan analisis supplier dan kompetitor guna menekan biaya pembelian, menentukan harga yang kompetitif, serta meningkatkan profitabilitas usaha berbasis data keuangan. Metode pelaksanaan menggunakan pendekatan design thinking melalui lima tahapan, yaitu understand, observe, define, ideate, dan prototype, dengan aktivitas utama berupa wawancara, observasi lapangan, serta pengumpulan data transaksi daring dari platform e-commerce. Hasil kegiatan menunjukkan bahwa penerapan sistem pencatatan keuangan sederhana dan analisis eksternal berbasis data membantu mitra memahami struktur biaya, mengidentifikasi supplier paling efisien, serta menyesuaikan strategi harga dengan posisi kompetitor di pasar digital. Secara keseluruhan, kegiatan ini berhasil meningkatkan kemampuan mitra dalam mengambil keputusan bisnis berbasis data, mengefisienkan rantai pasok, serta memperkuat daya saing usaha di tengah persaingan digital yang semakin ketat

    Regulation of Metabolic Aging Through Adenosine Mono Phosphate-Activated Protein Kinase and Mammalian Target of Rapamycin: A Comparative Study of Intermittent Fasting Variations in Obese Young Women

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    Abstract: Background/Objectives: Obesity accelerates metabolic aging through oxidaative stress, inflammation, and mitochondrial dysfunction. AMP-activated protein kinase (AMPK) and mammalian target of rapamycin (mTOR) are nutrient-sensing pathways regulating metabolism. AMPK promotes energy metabolism and autophagy, while excessive mTOR activity contributes to aging. Intermittent fasting (IF), including time-restricted feeding (TRF)&#65533;limiting food intake to a 6 h window (18:6)&#65533;and alternate-day modified fasting (ADMF)&#65533;alternating 24 h fasting (&#8804;25% daily caloric intake) with unrestricted feeding&#65533;may improve metabolic regulation. However, their effects on AMPK, mTOR, and metabolic age remain unclear. Methods: This quasi-experimental pre-test&#65533;post-test control group study compared the TRF and ADMF on metabolic age, AMPK, and mTOR in young obese women. Twenty-four participants (mean age: 21.29 &#65533; 1.76 years; body fat: 36.92 &#65533; 3.18%; BMI: 29.68 &#65533; 3.70 kg/m2) were initially matched by BMI and assigned to Control, TRF, and ADMF groups. A total of 4 participants (1 Control, 3 ADMF) were excluded due to outlier values, yielding final group sizes: Control (n = 7), TRF (n = 8), and ADMF (n = 5). The intervention lasted 20 days. Results: A significant decrease in AMPK levels was observed in the ADMF group (p = 0.043), while changes in the TRF and Control groups were not significant. mTOR levels showed a decreasing trend but were not statistically significant. No significant changes were found in metabolic age. Conclusions: Twenty days of intermittent fasting intervention did not significantly affect AMPK, mTOR, or metabolic age in young obese women. TRF may more effectively enhance AMPK and reduce mTOR, while ADMF may better reduce metabolic age

    Impact on Environmental, Social, and Governance Score on Market Reaction: Evidence of Top 80 Companies Listed From IDX80

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    This paper will discuss the impact of the individual Environmental, Social, and Governance scores on market reaction. This study will specifically focus on the IDX80 index, which lists companies that are not only profitable but also have good ESG scores. The panel data for the study will be taken from 2019 to 2023, and the Dynamic Panel Model will be used to see how the scores over the year influenced the market price. The final sample consists of 31 companies with 155 firm-years for the observation. The findings show that the Environmental scores have a significant positive impact on market reactions, but are not significantly impacted by Social and Governance scores. The study suggests an early stage of ESG adoption in Indonesia and the positive trend growth will be beneficial for companies to promote ESG activities. The limitation of this study is that the data for the individual scores for the Environmental, Social, and Governance are limited making the sample size small. A further limitation is that the data analyzed during and post-COVID-19 time might suggest a different result comparably

    Performance of Externally Steel Angle-Collared Concrete Columns Under Axial Compressive Load

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    Deficient Reinforced Concrete (RC) columns and higher demands of new codes are the main reasons for retrofit works for RC columns. One of the deficiencies involves the lack of confining elements which leads to poor ductility. Confining stress conventionally provided by transverse reinforcement has been recognized to enhance the strength and ductility of RC columns. Nowadays, the confinement method has been further developed to be applied externally which is more suitable for retrofit works. In square or rectangular columns, providing effective confining stress is not as simple as that of circular columns. In this research, displacement controlled compressive test on a set of square RC columns retrofitted by steel angle collars is presented. The volumetric ratio of the confining elements is the main parameter to investigate the effectiveness of the retrofitting technique. Enhancement of axial strength and ductility are observed as the confining element volumetric ratio increases

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