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Optimizing Blood Inventory Control Using EOQ and Forecasting Methods Sa'Diyah, Fatimatus; Nurmasari, Nuraini Desty
Jurnal Kewirausahaan dan Inovasi Vol. 4 No. 2 (2025)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

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Abstract

This study aims to analyze the blood supply inventory control at the Blood Transfusion Unit (UTD) of PMI of Malang city, in response to its suboptimal management. Data shows that there were 15 stockouts and 19 overstocks during the 34-month period from January 2022 to October 2024. This study incorporates the deterministic Economic Order Quantity (EOQ) method, combined with safety stock and reorder point methods. All of which were performed to optimize the blood supply inventory control and to minimize the total inventory cost for all blood types-A, B, O and AB. The Holt’s exponential smoothing was applied to the data pattern indicate certain identifiable trends. The result of the calculations predict the optimal quantity of blood bags for each resupply period, the optimal safety stock, and the optimal reorder point for each blood type. Further, the EOQ method was found to be able to cut the total inventory cost by more than 50% each year for every blood type.
PERAN MAHASISWA PPL DALAM INOVASI PEMBELAJARAN DI SMA SUNAN DRAJAT SUGIO Sa'diyah, Fatimatus; Uddarojah, Irfa’; Suri, Ifana Dwi Ratna; Sutardi, Sutardi; Rohman, Badi’ Zamani
COMMUNITY : Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/community.v6i2.9839

Abstract

Learning innovation is a crucial element in improving the quality of education at the secondary school level, particularly in the context of the implementation of the Merdeka Curriculum, which emphasizes student-centered, contextual, and adaptive learning. However, classroom practices in many schools still face challenges, such as the dominance of conventional teaching methods and limited variation in learning media. In this context, pre-service teachers participating in the Teaching Practicum Program (Program Pengenalan Lapangan/PPL) have the potential to act as agents of change by bringing fresh ideas, technological skills, and innovative instructional approaches. This study aims to describe the role of PPL students in promoting learning innovation at SMA Sunan Drajat Sugio and to identify the forms of learning innovation implemented during the practicum period. This research employed a qualitative descriptive approach with a case study design. The research subjects included PPL students, mentor teachers, and students of SMA Sunan Drajat Sugio. Data were collected through classroom observations, in-depth interviews, and documentation, and were analyzed using data reduction, data display, and conclusion drawing techniques. The findings reveal that PPL students played a significant role as initiators of learning innovation through the use of digital media, the application of active learning models, and the integration of technology in classroom instruction. These innovations received positive responses from both teachers and students and contributed to increased student engagement and learning motivation. The study concludes that PPL students have a strategic role in fostering learning innovation and can serve as valuable partners for schools in developing more innovative learning practices. ABSTRAK Inovasi pembelajaran merupakan aspek penting dalam peningkatan kualitas pendidikan di sekolah menengah, terutama pada era implementasi Kurikulum Merdeka yang menekankan pembelajaran berpusat pada peserta didik, kontekstual, dan adaptif terhadap perkembangan zaman. Namun, dalam praktiknya, pembelajaran di sekolah masih menghadapi berbagai tantangan, seperti dominasi metode konvensional dan terbatasnya variasi media pembelajaran. Dalam konteks ini, mahasiswa Program Pengenalan Lapangan (PPL) memiliki potensi sebagai agen perubahan pembelajaran karena membawa gagasan baru, penguasaan teknologi, serta pemahaman terhadap pendekatan pembelajaran inovatif. Penelitian ini bertujuan untuk mendeskripsikan peran mahasiswa PPL dalam inovasi pembelajaran di SMA Sunan Drajat Sugio serta mengidentifikasi bentuk-bentuk inovasi pembelajaran yang diterapkan selama pelaksanaan PPL. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan desain studi kasus. Subjek penelitian meliputi mahasiswa PPL, guru pamong, dan siswa SMA Sunan Drajat Sugio. Data dikumpulkan melalui observasi pembelajaran, wawancara mendalam, dan dokumentasi, kemudian dianalisis menggunakan teknik reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa mahasiswa PPL berperan sebagai inisiator inovasi pembelajaran melalui penggunaan media digital, penerapan model pembelajaran aktif, serta integrasi teknologi dalam pembelajaran. Inovasi tersebut mendapat respons positif dari guru dan siswa serta berdampak pada meningkatnya keterlibatan dan motivasi belajar siswa. Penelitian ini menyimpulkan bahwa mahasiswa PPL memiliki peran strategis dalam mendorong inovasi pembelajaran dan dapat menjadi mitra penting sekolah dalam pengembangan pembelajaran yang lebih inovatif.