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All Journal Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) INVOTEC Scientific Journal of Reflection : Economic, Accounting, Management and Business JURNAL CRANKSHAFT Jurnal Abmas Journal Industrial Engineering and Management (JUST-ME) Atestasi : Jurnal Ilmiah Akuntansi
Enda Permana, Enda
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Back Order dan Lost Sales sebagai Tantangan Ekonomi: Tinjauan Literatur terhadap Dampak dan Kebijakan Mitigasi Pandega, Caesar Seta; Permana, Enda; Okitasari, Hanissa
SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business Vol. 8 No. 3 (2025): SCIENTIFIC JOURNAL OF REFLECTION: Economic, Accounting, Management, & Business
Publisher : Sekolah Menengah Kejuruan (SMK) Pustek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37481/sjr.v8i3.1129

Abstract

Supply Chain Management (SCM) is a critical element for industries operating in highly competitive environments. Among its most pressing challenges are inventory disruptions caused by back orders and lost sales, which not only raise operational costs but also undermine customer satisfaction and corporate reputation. This paper presents a systematic literature review (SLR) examining inventory policies and mitigation strategies related to back orders and lost sales. A total of 35 peer-reviewed articles published between 2010 and 2024 were selected from major databases such as SCOPUS, ScienceDirect, and IEEE. The review identifies four major mitigation strategies: maintaining adequate safety stock, implementing multi-echelon inventory systems, applying multi-sourcing approaches, and optimizing inventory rationing policies. Multi-echelon systems are shown to be effective in distributing inventory across different levels of the supply chain, reducing the frequency and cost of back orders. Multi-sourcing, meanwhile, enhances supply flexibility by relying on multiple vendors to prevent disruptions. Additionally, inventory rationing policies—such as continuous and periodic review systems—play a key role in determining replenishment strategies that balance service levels and cost. The findings suggest that combining these strategies significantly improves inventory resilience and performance. This review also highlights research gaps in lost sales modeling, especially in multi-echelon environments, and calls for more empirical studies to validate proposed frameworks.
The Significant Effect of Infrastructure Development on Logistics Performance Index Bentar, Dewang Rangga; Permana, Enda; Okitasari, Hanissa
Atestasi : Jurnal Ilmiah Akuntansi Vol. 8 No. 2 (2025): April - September
Publisher : Pusat Penerbitan dan Publikasi Ilmiah, FEB, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/atestasi.v8i2.1645

Abstract

Purpose: This study aims to explore the correlation between infrastructure development and LPI. Research Design and Methodology: A systematic literature review and bibliometric analysis were employed in this study, with a total of 82 pieces of literature relevant to the topic under discussion. Network and DAG visualizations were also created, each designed to map research topics and illustrate the causal relationships between the two subjects. Findings and Discussion: The results of this study confirm a significant relationship between infrastructure and LPI, with trade sector acting as a mediating factor. The results also show that ports and roads are infrastructure that should not be overlooked. Good governance and government are essential. Implications: In practice, policymakers should not ignore the impact of infrastructure development, especially on ports and roads. The development of communication networks (both internal and external channels) is recommended to improve government governance in managing infrastructure.
Preliminary Study: RFID-Based Computer Vision Technology Prototype as Information Management Systems in the Logistics Industry Ar-Rafi, Ahmad Reza; Permana, Enda; Okitasari, Hanissa
Atestasi : Jurnal Ilmiah Akuntansi Vol. 8 No. 2 (2025): April - September
Publisher : Pusat Penerbitan dan Publikasi Ilmiah, FEB, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/atestasi.v8i2.1646

Abstract

Purpose: This study aims to fill this gap by evaluating the benefits and challenges of applying CVT to a prototype monitoring camera, as well as developing an optimal implementation strategy. Research Design and Methodology: Through a mixed-methods approach and black-box testing, the results show that the application of CVT has great potential to revolutionize industrial IMS, particularly in aspects such as real-time monitoring, visual data analysis, and decision-making. Findings and Discussion: The preliminary results suggest that this technology can improve operational efficiency, accuracy, and safety, thereby enhancing productivity and cost efficiency. Implications: This research explores the potential contribution of CVT to IMS in the industrial sector, focusing on the use of a prototype Radio Frequency Identification (RFID)-based monitoring camera, and examines its long-term implications.
PERANCANGAN ULANG TATA LETAK GUDANG BARANG DENGAN MENGGUNAKAN METODE DEDICATED STORAGE Rihhadatul Aisy, Dimas; Zikri Rahman, Aulia; Permana, Enda
Journal Industrial Engineering and Management (JUST-ME) Vol. 6 No. 02 (2025): Journal Industrial Engineering and Management (JUST-ME)
Publisher : Program Studi Teknik Industri Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/just-me.v6i02.120

Abstract

Terdapat permasalahan yang umum ditemukan pada pergudangan, salah satunya terkait dengan tata kelola barang. Permasalahan tata letak barang yang tidak sesuai menyebabkan penumpukan barang, sehingga barang tersimpan lama dan menyebabkan tingginya biaya penyimpanan. Penelitian ini bertujuan untuk merancangan ulang tata letak gudang barang dan melakukan komparasi antara layout eksisting dan layout usulan untuk mengetahui layout yang paling baik dari segi efisiensi jarak tempuh, penggunaan ruang dan operasional. Penelitian ini menggunakan metode dedicated storage untuk merancang ulang tata letak dan rectilinear distance untuk mengetahui total jarak. Pada layout usulan penempatan area penyimpanan, area sortir, dan I/O telah dirancang agar saling berdekatan dan membentuk alur pergerakan yang lebih linier dan terpusat. Perbandingan total jarak tempuh antara layout eksisting dan usulan menunjukan adanya penurunan jarak, layout eksisting menghasilkan total jarak tempuh 155,16 m, sedangkan layout usulan menghasilkan total jarak tempuh 72,92 m. Perbedaan ini menunjukan adanya pengurangan jarak sebesar 82,24 m atau sekitar 53% lebih efisien dibandingkan dengan kondisi awal. Hal ini membuktikan bahwa tata letak usulan meningkatkan efisiensi operasional gudang. Dengan demikian tata letak gudang usulan yang dirancang dengan kombinasi metode dedicated storage dan rectilinear distance terbukti efisien.
Co-Authors A.A. Ketut Agung Cahyawan W Aam Hamdani, Aam Agus Solehudin Ar-Rafi, Ahmad Reza Bentar, Dewang Rangga Dede Suhayat, Dede Dedi Supriawan, Dedi Hanissa Okitasari, Hanissa Heri Sutarno Mumu Komaro Nurifqi AT, Nurifqi Octaviani, Ana N Pandega, Caesar Seta Puji D. Lestari, Puji D. Rihhadatul Aisy, Dimas Saepuloh Saepuloh Sagala, Robert Saputra, Nisa Aulia Sasmita, Asep Hadian Septian, Niko Sukrawan, Yusep Syakuro, Abdan Tatang Permana, Tatang Wihardi, Yaya Yayat Yayat Yundari, Yundari Zikri Rahman, Aulia