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Penilaian Sustainable Supply Chain Management Dengan Metode Life Cycle Assessment (Studi Kasus: Produk Tepung Bumbu, PT XYZ)
Full text linkIndustrialization in Indonesia contributes significantly to increased emissions. PT XYZ as a seasoning producer faces challenges in managing the environmental impact of its supply chain activities, especially in seasoning flour products which have the highest productivity reaching 25,793 tons in 2023. This study aims to measure the level of emissions generated during the supply chain process of seasoning flour products using the Life Cycle Assessment (LCA) method with a gate to gate approach. Data collection was carried out through interviews and secondary data collection from company documents related to process procedures, energy consumption, raw material usage, and supply chain operational data. Data was processed using SimaPro 9.0 software with the ReCiPe 2016 Midpoint method. The results showed a high level of emissions. The terrestrial acidification category reached 4.97 kg.SO₂, far above the standard limit of 600 mg.SO₂ per year. Normalization results identified the production stage as the largest contributor with three categories of marine ecotoxicity (27.3), freshwater ecotoxicity (17.5), and human carcinogenic toxicity (13.5). The high emissions are caused by significant electricity consumption for operational systems and production machinery, as well as transportation use. Recommendations for improvement include optimizing production energy, managing machine operating time, utilizing solar panels, and others.Industrialisasi di Indonesia berkontribusi signifikan terhadap peningkatan emisi, dengan sektor industri menghasilkan emisi karbon tertinggi sebesar 152 juta ton CO2 pada tahun 2012. PT XYZ sebagai produsen bumbu masakan terkemuka menghadapi tantangan dalam pengelolaan dampak lingkungan dari kegiatan rantai pasoknya, khususnya pada produk Tepung Bumbu yang memiliki produktivitas tertinggi mencapai 25.793 ton pada tahun 2023. Penelitian ini bertujuan untuk mengukur tingkat emisi yang dihasilkan selama proses rantai pasok produk Tepung Bumbu menggunakan metode Life Cycle Assessment (LCA) dengan pendekatan gate to gate. Pengumpulan data dilakukan melalui wawancara, brainstorming, dan pengumpulan data sekunder dari dokumen perusahaan terkait prosedur proses, konsumsi energi, pemakaian raw material, dan data operasional rantai pasok. Data diolah menggunakan software SimaPro 9.0 dengan metode ReCiPe 2016 Midpoint. Hasil penelitian menunjukkan tingkat emisi yang cukup tinggi. Kategori terrestrial acidification mencapai 4,97 kg.SO₂, jauh diatas batas standar 600 mg.SO₂ per tahun. Hasil normalization mengidentifikasi tahap produksi sebagai kontributor terbesar dengan tiga kategori marine ecotoxicity (27,3), freshwater ecotoxicity (17,5), dan human carcinogenic toxicity (13,5). Tingginya emisi disebabkan oleh konsumsi listrik yang signifikan untuk sistem operasional dan mesin produksi, serta penggunaan transportasi. Rekomendasi perbaikan meliputi optimalisasi energi produksi, pengelolaan waktu operasional mesin, pemanfaatan solar panel, dan penerapan bahan bakar ramah lingkungan
DESIGN AUTOMATION STORAGE PENGHAMBAT LAJU KOROSI SPARE PART MESIN DAN HASIL PRODUKSI PEMESINAN
Full text linkThe development of technology is increasingly advanced in this modern era, making human life inseparable from the use of machines. These machines must have various spare parts made from steel/iron. In addition, the machining production of these machines is made of steel / iron which can be corroded. Corrosion is a decrease in metal quality caused by the environment or chemicals and affects the condition of a material. The way to overcome the occurrence of corrosion in iron, especially engine spare parts and machining production results is by designing and making corrosion rate inhibitor storage automation as a storage medium for engine spare parts and machining production results. The design of this machine is carried out in several stages, namely planning, design, manufacture, and testing. This research was conducted with the parameters of the results of spraying lubrication and temperature control. From the results of experiments that have been carried out, this storage automation is able to spray lubrication in accordance with the timing that has been set and is able to control the temperature in the storage so that the tool is able to inhibit the rate of corrosion on the workpiece.Perkembangan teknologi semakin maju di era yang serba modern ini, membuat kehidupan manusia tak lepas dari penggunaan mesin. Mesin-mesin tersebut pasti memiliki bermacam-macam bagian spare part yang berbahan dasar baja/besi. Selain itu, hasil produksi pemesinan dari mesin-mesin tersebut berbahan baja/besi yang dapat terkorosi. Korosi merupakan penurunan mutu logam yang diakibatkan oleh lingkungan atau zat kimia dan berpengaruh pada kondisi suatu material. Cara untuk mengatasi terjadinya korosi pada besi khususnya spare part mesin dan hasil produksi pemesinan adalah dengan cara merancang dan membuat automation storage penghambat laju korosi sebagai media penyimpanan spare part mesin dan hasil produksi pemesinan. Pada rancang bangun mesin ini dilakukan dalam beberapa tahapan yakni perencanaan, perancangan, pembuatan, dan pengujian. Penelitian ini dilakukan dengan parameter hasil penyemprotan pelumasan dan pengontrolan suhu. Dari hasil percobaan yang telah dilakukan automation storage ini mampu menyemprotkan pelumasan sesuai dengan pewaktuan yang telah di atur dan mampu mengontrol suhu dalam storage tersebut
Analisis Kemampuan HOTS Siswa SD Dalam Menyelesaikan Soal IPA
Full text linkThis research aims to analyze the HOTS ability of elementary school students to solve science questions. The type of research used is descriptive qualitative. The research subjects were 7 class VI students at SDN 2 Ngepoh for the 2023/2024 academic year. Data collection methods were carried out through written tests, documentation, and interviews. The analysis technique used is the Miles & Huberman analysis method. The results showed that Of all 7 class VI students, there was 1 student who had low ability and was unable to solve HOTS questions on all indicators, 3 students were able to solve HOTS questions on the evaluating (C5), and 3 students were able to solve HOTS questions on the creating (C6) indicators. This research concludes that the HOTS ability of elementary school students to solve science questions is still low, this is because students are less able to understand concepts so that students have difficulty in solving the problems presented and there is a lack of practice in solving HOTS questions. This research implies the need to improve conceptual understanding and familiarization with HOTS questions in science learning to develop high-level thinking skills in elementary school students.Penelitian ini bertujuan untuk menganalisis kemampuan HOTS siswa SD dalam menyelesaikan soal IPA. Jenis penelitian yang digunakan adalah deskriptif kualitatif. Subjek penelitian adalah 7 orang siswa kelas VI SDN 2 Ngepoh Tahun Ajaran 2023/2024. Metode pengumpulan data dilakukan melalui tes tertulis, dokumentasi, dan wawancara. Teknik analisis yang digunakan yaitu metode analisis Miles & Huberman. Hasil penelitian menunjukkan dari seluruh siswa kelas VI yang berjumlah 7 siswa terdapat 1 siswa yang berkemampuan rendah dan tidak mampu menyelesaikan soal HOTS pada semua indikator, 3 siswa mampu menyelesaikan soal HOTS pada indikator mengevaluasi (C5), dan 3 siswa mampu menyelesaikan soal HOTS pada indikator mencipta (C6). Kesimpulan dari penelitian ini yaitu kemampuan HOTS siswa SD dalam menyelesaikan soal IPA masih rendah, hal ini dikarenakan siswa kurang mampu dalam memahami konsep sehingga siswa kesulitan dalam memecahkan masalah yang disajikan dan kurangnya latihan dalam menyelesaikan soal HOTS
PENGARUH WAKTU FERMENTASI TERHADAP KANDUNGAN NITROGEN, FOSFAT, DAN KALIUM PADA PUPUK ORGANIK DARI LIMBAH BAGLOG JAMUR TIRAM PUTIH DAN GUANO
Full text linkThis study aims to evaluate the fermentation process of white oyster mushroom baglog waste and bat guano as materials for producing multi-nutrient fertilizer, and to determine the optimal fermentation time that yields the highest levels of nitrogen, phosphate, and potassium by the 2019 Ministry of Agriculture standards. An anaerobic fermentation process was employed using white oyster mushroom baglog waste and bat guano as the primary materials, supplemented with an EM-4 bioactivator to accelerate decomposition. Fermentation was conducted over 20 days and was checked every 4 days. The research results indicate that fermentation time influences the nutrient content of the produced fertilizer. The highest nitrogen content of 2.81% was achieved on the 16th day of fermentation, while the highest phosphate content of 2.28% was recorded on the 8th day of fermentation. The highest potassium content of 3.59% was reached on the 16th day of fermentation. Based on these findings, a fermentation period of 16 days provided optimal results for nitrogen and potassium content, whereas an 8-day fermentation period yielded optimal results for phosphate content.Penelitian ini bertujuan untuk mengevaluasi proses fermentasi limbah baglog jamur tiram putih dan kotoran kelelawar sebagai bahan pembuatan pupuk multinutrien serta menentukan waktu fermentasi optimal yang menghasilkan kadar nitrogen, fosfat, dan kalium tertinggi sesuai dengan standar Permentan tahun 2019. Proses fermentasi anaerob digunakan dengan bahan utama limbah baglog jamur tiram putih dan kotoran kelelawar, serta bioaktivator EM-4 untuk mempercepat proses penguraian. Proses fermentasi dilakukan selama 20 hari. Hasil penelitian menunjukkan bahwa waktu fermentasi mempengaruhi kadar nutrisi dalam pupuk yang dihasilkan. Kadar nitrogen tertinggi sebesar 2,81% dicapai pada hari ke-16 fermentasi, sedangkan kadar fosfat tertinggi sebesar 2,28% dicapai pada hari ke-8 fermentasi. Kadar kalium tertinggi sebesar 3,59% dicapai pada hari ke-16 fermentasi. Berdasarkan hasil ini, fermentasi selama 16 hari memberikan hasil optimal untuk kandungan nitrogen dan kalium, sementara fermentasi selama 8 hari memberikan hasil optimal untuk kandungan fosfat
Pengaruh Latihan Plyometric High-intensity Interval Training terhadap Sistem Kardiovaskular Wanita Dewasa: Pengukuran menggunakan Polar H-10 dan Elite HRV
No full textThe aim of this study was to examine plyometrics-HIIT training on HRV in sedentary adult women. Participants were 30 adult women divided into two groups: plyometrics-HIIT treatment group (n= 15, age= 33±0.9 years, BMI= 20.8±1.0 kg/m2) and control group (n= 15, age= 31±0.7 years, BMI= 20.2±0.9 kg/m2). The treatment group was given plyometrics-HIIT training for six weeks. Heart Rate Variability (HRV) was measured using Polar H-10 and Elite-HRV app 24-48 hours before training and 24 hours after training. Independent sample t-tests were used to determine differences between the baseline characteristics of the two groups using two-way repeated measures ANOVA. All statistical tests were performed with IBM SPSS version 26. In the treatment group, the time domain was significantly improved at (SDNN; 45.78±46.20 vs 64.35±44.50 ms, p<0.05, RMSSD; 49.52±58.07 vs 77.62±61.18 ms, p<0.05). HRrest decreased significantly after exercise (78.84±18.5 vs 67.5±15.8 bpm, p<0.05). However, there were no significant differences in all frequency domain measurements. In conclusion this study plyometric-HIIT can improve cardiovascular function in underactive adult women. Thus, plyometric-HIIT can be assessed as an alternative exercise to reduce the risk of cardiovascular disease.Abstract: The aim of this study was to examine plyometrics-HIIT training on HRV in sedentary adult women. Participants were 30 adult women divided into two groups: plyometrics-HIIT treatment group (n= 15, age= 33±0.9 years, BMI= 20.8±1.0 kg/m2) and control group (n= 15, age= 31±0.7 years, BMI= 20.2±0.9 kg/m2). The treatment group was given plyometrics-HIIT training for six weeks. Heart Rate Variability (HRV) was measured using Polar H-10 and Elite-HRV app 24-48 hours before training and 24 hours after training. Independent sample t-tests were used to determine differences between the baseline characteristics of the two groups using two-way repeated measures ANOVA. All statistical tests were performed with IBM SPSS version 26. In the treatment group, the time domain was significantly improved at (SDNN; 45.78±46.20 vs 64.35±44.50 ms, p<0.05, RMSSD; 49.52±58.07 vs 77.62±61.18 ms, p<0.05). HRrest decreased significantly after exercise (78.84±18.5 vs 67.5±15.8 bpm, p<0.05). However, there were no significant differences in all frequency domain measurements. In conclusion this study plyometric-HIIT can improve cardiovascular function in underactive adult women. Thus, plyometric-HIIT can be assessed as an alternative exercise to reduce the risk of cardiovascular disease.
Abstrak: Tujuan penelitian ini menguji latihan plyometrics-HIIT terhadap HRV pada wanita dewasa yang kurang aktif. Partisipan penelitian ini berjumlah 30 wanita dewasa yang dibagi menjadi dua kelompok: kelompok perlakuan plyometrics-HIIT (n= 15, usia= 33±0.9 tahun, BMI= 20.8±1.0 kg/m2) dan kelompok kontrol (n=15, usia= 31±0.7 tahun, MBI= 20.2±0.9 kg/m2). Kelompok perlakukan diberikan pelatihan plyometrics-HIIT selama enam minggu. Herat Rate Variability (HRV) diukur menggunakan Polar H-10 dan aplikasi Elite-HRV 24-48 jam sebelum latihan dan 24 jam setelah latihan. Uji-t sampel independen digunakan untuk menentukan perbedaan antara karakteristik awal kedua kelompok menggunakan ANOVA berulang dua arah. Keseluruhan uji statistik dilakukan dengan bantuan perangkat Lunak IBM SPSS versi 26. Pada kelompok perlakuan, domain waktu meningkat secara signifikan pada (SDNN: 45.78±46.20 vs 64.35±44.50 ms, p<0.05, RMSSD: 49.52±58.07 vs 77.62±61.18 ms, p<0.05). HRrest menurun secara signifikan setelah latihan (78.84±18.5 vs 67.5±15.8 bpm, p<0.05). Namun, tidak ada perbedaan yang signifikan pada semua pengukuran domain frekuensi. Kesimpulan penelitian ini plyometric-HIIT dapat meningkatkan fungsi kardiovaskular pada wanita dewasa yang kurang aktif. Dengan demikian, plyometric-HIIT dapat dinilai sebagai latihan alternatif untuk mengurangi risiko penyakit kardiovaskular
Estimasi Dampak Konsumsi Bahan Bakar Kendaraan pada Perlintasan Sebidang Kereta Api Kota Bandar Lampung
Full text linkDelays and vehicle queues are often observed during the closure of railway crossing gates, causing an increase in the time required to pass through a road section. Delays at level crossings lead to traffic congestion and fuel wastage for vehicles. Therefore, a case study on traffic volume is necessary to understand traffic conditions and analyze fuel consumption at railway level crossings. This research was carried out at level crossings on Urip Sumoharjo and Kamboja roads. The survey was carried out over three days on Tuesday and Thursday to represent weekdays, Sunday to represent weekends. Vehicle fuel consumption analysis used the ATIS India and IJIRT methods. The analysis results showed that fuel consumption using the ATIS India and IJIRT methods indicated that the level crossing on Urip Sumoharjo Street had the highest loss value, with an average fuel consumption during the study of 101,08 liters/hour for the ATIS India method and 108,91 liters/hour for the IJIRT method.Tundaan dan antrian kendaraan sering terlihat saat penutupan palang pintu pada perlintasan kereta api, hal ini menyebabkan waktu yang dibutuhkan untuk melewati suatu ruas jalan semakin lama. Tundaan pada perlintasan sebidang menimbulkan kepadatan dan kerugian bahan bakar kendaraan. Oleh karena itu perlu diadakan studi kasus tentang volume lalu lintas untuk mengetahui kondisi lalu lintas, serta analisis konsumsi bahan bakar pada perlintasan sebidang kereta api. Penelitian ini dilaksanakan di perlintasan sebidang kereta api ruas Jalan Urip Sumoharjo dan Jalan Kamboja. Pelaksanaan survei dilakukan selama tiga hari yaitu Hari Selasa dan Kamis untuk mewakili hari kerja, Hari Minggu untuk mewakili hari libur. Analisis konsumsi bahan bakar kendaraan menggunakan metode ATIS India dan IJIRT. Dari hasil analisis diperoleh konsumsi bahan bakar menggunakan metode ATIS India dan IJIRT menunjukkan bahwa perlintasan sebidang pada ruas Jalan Urip Sumoharjo memiliki nilai kerugian yang paling tinggi dengan rata-rata konsumsi bahan bakar selama penelitian sebesar 101,08 lt/jam untuk Metode ATIS India dan 108,91 lt/jam untuk metode IJIRT
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No full textA construction project can run well if they have efficiency in terms of time, cost and, resources. This research aims to determine optimization of the percentage of total float use to optimize project profitability, by looking at the highest Net Present Value (NPV), Return on Investment (ROI), and Benefit Cost Ratio (BCR) with a case study of the construction of a 12-story building in Surabaya. The variations used in this study include Total Float values of 0%, 25%, 50%, 75%, and 100%. Based on each variation, it will produce different work weights and payment terms which will then be used for financial analysis to calculate BCR, ROI, and NPV on each cash flow to assess the optimization of the use of total float in this study. From the results of the discussion, known that most optimal cash flow planning is in scheduling conditions with the utilization of a total float value of 75% with an NPV value of Rp 7,037,643,148. with a BCR value of 1,09228 and an ROI value of 9,228%.Suatu proyek konstruksi dapat berjalan dengan baik apabila memiliki efisiensi dari segi waktu, biaya dan sumber daya. Penelitian ini bertujuan untuk mengetahui optimalisasi presentase penggunaan total float untuk mengoptimalkan profitabilitas proyek, dengan melihat Net Present Value (NPV), Return on Investment (ROI), dan Benefit Cost Ratio (BCR) tertinggi dengan studi kasus pembangunan gedung 12 lantai di Surabaya. Variasi yang digunakan dalam penelitian ini meliputi penggunaan nilai Total Float sebesar 0%, 25%, 50%, 75%, dan 100%. Berdasarkan masing-masing variasi akan menghasilkan bobot pekerjaan dan termin pembayaran yang berbeda yang selanjutnya akan digunakan dalam analisis finansial untuk menghitung nilai BCR, ROI, dan NPV pada masing-masing cash flow untuk menilai optimalisasi penggunaan total float pada penelitian ini. Dari hasil pembahasan diketahui bahwa perencanaan cash flow yang paling optimal adalah pada kondisi penjadwalan dengan penggunaan nilai total float sebesar 75% dengan nilai NPV sebesar Rp 7.037.643.148. dengan nilai BCR sebesar 1.09228 dan nilai ROI sebesar 9.228%
Biosintesis Nanopartikel Hidroksiapatit Termodifikasi Ekstrak Daun Gedi (Abelmoschus manihot L) sebagai Agen Antibakteri
Full text linkA tuna bones, particularly in the jaw region, constitute a category of food waste prevalent in North Sulawesi. Hydroxyapatite can be produced from tuna jaws. Abelmoschus manihot L (gedi) can improve the efficacy of hydroxyapatite as an antibacterial agent owing to its bioactive components. This study aimed to assess the antibacterial efficacy of hydroxyapatite treated with Abelmoschus manihot L extract. The samples were produced through multiple stages: preparation of tuna fish bones, synthesis of hydroxyapatite nanoparticles (nHA), extraction of gedi leaves and biosynthesis of nHA from gedi leaf extract. Biosynthesis was conducted via the co-precipitation technique with diverse compositions. The samples were then analyzed using FTIR and TEM, and their antibacterial activity was assessed using the well diffusion method. According to the results of the FTIR study, functional groups from the gedi leaf extract were detected at wave numbers 1731 cm-1, 1234 cm-1, and 896 cm-1, and nHA was discovered at wave numbers 576 cm-1, 608 cm-1, 964 cm-1, and 1041 cm-1, indicating the phosphate group. Furthermore, the results of the TEM investigation revealed that the samples formed spheres smaller than 100 nm. The antibacterial activity of gedi extract/nHA at concentrations of 0.5%, 1%, and 1.5% revealed the presence of inhibitory zones in the strong and very strong categories for S. aureus bacteria. Meanwhile, E. coli bacteria's inhibitory zones were moderate to strong. This suggests that gedi/nHA extract possesses antibacterial properties, making it ideal for use in biomedical applications.An Tuna bones, particularly in the jaw region, constitute a category of food waste prevalent in North Sulawesi. Hydroxyapatite can be produced from tuna jaws. Abelmoschus manihot L (gedi) can improve the efficacy of hydroxyapatite as an antibacterial agent owing to its bioactive components. This study aimed to assess the antibacterial efficacy of hydroxyapatite treated with Abelmoschus manihot L extract. The samples were produced through multiple stages: preparation of tuna fish bones, synthesis of hydroxyapatite nanoparticles (nHA), extraction of gedi leaves and biosynthesis of nHA from gedi leaf extract. Biosynthesis was conducted via the co-precipitation technique with diverse compositions. The samples were then analyzed using FTIR and TEM, and their antibacterial activity was assessed using the well diffusion method. According to the results of the FTIR study, functional groups from the gedi leaf extract were detected at wave numbers 1731 cm-1, 1234 cm-1, and 896 cm-1, and nHA was discovered at wave numbers 576 cm-1, 608 cm-1, 964 cm-1, and 1041 cm-1, indicating the phosphate group. Furthermore, the results of the TEM investigation revealed that the samples formed spheres smaller than 100 nm. The antibacterial activity of gedi extract/nHA at concentrations of 0.5%, 1%, and 1.5% revealed the presence of inhibitory zones in the strong and very strong categories for S. aureus bacteria. Meanwhile, E. coli bacteria's inhibitory zones were moderate to strong. This suggests that gedi/nHA extract possesses antibacterial properties, making it ideal for use in biomedical applications
Pengaruh Adaptabilitas Karier, Efikasi Diri, Disiplin Diri, Dan Literasi Digital Terhadap Minat Berwirausaha Siswa/I SMK
Full text linkPresidential Regulation (PERPRES) Number 2 of 2022 concerning National Entrepreneurship Development for 2021-2024, mandates that the target entrepreneurship ratio in 2024 is 4.0%. Vocational education that oversees SMK encourages students to be productive, one of which is through entrepreneurship. Entrepreneurial interest is one of the important precursor variables for entrepreneurship. This study uses a quantitative approach survey method. The form of problem formulation used in this study is associative-causal. The sample used in this study amounted to 222 students from public vocational schools in Malang City. The data collection technique used was a questionnaire. Data analysis techniques used include descriptive, partial correlation, and multiple regression. The conclusion in this study shows that career adaptability and self-discipline have no partial effect on students' entrepreneurial interest, while self-efficacy and digital literacy have a partial effect on students' entrepreneurial interest. The results also reveal that there is no simultaneous influence between career adaptability, self-efficacy, self-discipline, digital literacy on entrepreneurial interest of vocational students in Malang City.Peraturan Presiden (PERPRES) Nomor 2 Tahun 2022 tentang Pengembangan Kewirausahaan Nasional Tahun 2021-2024, mengamanatkan bahwa target rasio kewirausahaan pada tahun 2024 sejumlah 4,0%. Pendidikan vokasi yang menaungi SMK mendorong kepada peserta didik untuk produktif salah satunya yakni melalui berwirausaha. Minat berwirausaha merupakan salah satu variabel prekursor yang penting untuk berwirausaha. Penelitian ini menggunakan pendekatan kuantitatif metode survei. Tujuan penelitian ini yakni mengetahui pengaruh adaptabilitas karier, efikasi diri, disiplin diri, literasi digital terhadap minat berwirausaha baik secara parsial maupun simultan. Sampel yang digunakan dalam penelitian ini berjumlah 222 peserta didik dari SMK Negeri di Kota Malang. Teknik pengumpulan data yakni angket. Teknik analisis data yakni meliputi deskriptif, korelasi parsial, dan regresi ganda. Kesimpulan dalam penelitian ini menunjukkan bahwa adaptabilitas karier dan disiplin diri tidak berpengaruh secara parsial terhadap minat berwirausaha peserta didik, sedangkan efikasi diri dan literasi digital berpengaruh secara parsial terhadap minat berwirausaha peserta didik. Hasil penelitian pula mengungkapkan bahwa tidak ada pengaruh secara simultan antara adaptabilitas karier, efikasi diri, disiplin diri, literasi digital terhadap minat berwirausaha peserta didik SMK di Kota Malang
The Influence of Organizational Citizenship Behavior and Appreciation on Teacher Performance
Full text linkThis research examines the influence of Organizational Citizenship Behavior (OCB) and rewards on teacher performance in State Junior High Schools in Bojong District, Purwakarta Regency A quantitative approach with an ex post facto design was used, and research subjects were selected through purposive sampling OCB data were collected based on conscientiousness, altruism, civic virtue, courtesy, and sportsmanship, while reward data included task completion, authority, skill improvement, salary, allowances, and career advancement Data analysis was conducted using simple regression and Independent Sample t-test in SPSS The research results indicate that OCB and rewards significantly affect teacher performance both individually and simultaneously A combination of good organizational citizenship behavior and a fair reward system creates a supportive work environment, enhancing teacher motivation and dedication. This contributes to the improvement of the quality of education and students' literacy skills, reflecting the importance of both factors in human resource management strategies at schools