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All Journal JENIUS: Jurnal Terapan Teknik Industri Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri
Maulida Boru Butar Butar
Unknown Affiliation
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Preliminary study of reverse supply chain development in Indonesia Maulida Boru Butar Butar; Stephanus Benedictus Bera Liwun
JENIUS : Jurnal Terapan Teknik Industri Vol 4 No 1 (2023): JENIUS: Jurnal Terapan Teknik Industri
Publisher : LPPMPK - Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jenius.v4i1.473

Abstract

As a developing country, Indonesia is experiencing various advances, including in the industrial sector. A supply chain is a science that has long been studied and explored by many academics and practitioners. That part of the supply chain referred to as the opposite is the reverse supply chain or what is widely known as the Reverse Supply Chain (RSC). This article will present preliminary studies about RSC development in Indonesia. RSC in Indonesia particularly has been studied by a lot of researchers. However, most discussions are limited to reverse logistics and waste management. An explanation of the existing RSC in Indonesia will be discussed and provided. In Indonesia, most RSC activities happen in small and medium companies that have yet to gain experience or knowledge that they have been practicing RSC. The people's purchasing power which is still quite low has made small and medium industries in the refurbished sector grow rapidly. This paper will explain what a reverse supply chain is and how the development of this study is based on the existing literature. It is also a discussion of how the reverse supply chain application in Indonesia and what steps can be taken to improve the performance of the reverse supply chain in Indonesia
Pengembangan Model Sistem Dinamis Suppy Chain di PT XYZ Muhammad Dwiyanto Saputro; Maulida Boru Butar Butar
Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Vol. 2 No. 3 (2024): September : Manufaktur : Publikasi Sub Rumpun Ilmu Keteknikan Industri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/manufaktur.v2i3.500

Abstract

PT.XYZ is an automotive company that has been operational since 1970, with over 400 suppliers for key components such as Stoper A and Stoper B. Annually, Stoper A sells 151,000 units (valued at IDR 4.077 billion), while Stoper B reaches 300,000 units (valued at IDR 8.100 billion). This research focuses on analyzing and optimizing the supply chain for these components, using sales data from January to December 2022. The goal is to create stock and flow diagrams, analyze the supply chain system modeling, and propose optimal scenarios for demand fulfillment. The modeling results indicate that a strategy of adding a 20% safety stock to the average sales is highly effective in preventing lost sales without burdening suppliers with overtime. However, the potential for overstock needs to be monitored. Based on the analysis, the second scenario proposing the addition of safety stock is recommended due to its effectiveness in meeting demand and efficiently managing inventory. This scenario is deemed most suitable for PT. XYZ in maintaining a balanced supply without unnecessary surplus.
Co-Authors Muhammad Dwiyanto Saputro Stephanus Benedictus Bera Liwun