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Contact Name
Sugeng Santoso
Contact Email
sugeng.santoso@mercubuana.ac.id
Phone
+6282132044774
Journal Mail Official
ti.jurnal@umm.ac.id
Editorial Address
Departement Industrial Engineering University of Muhammadiyah Malang Jl. Tlogomas No 246 Malang
Location
Kota malang,
Jawa timur
INDONESIA
Jurnal Teknik Industri
ISSN : 19781431     EISSN : 25274112     DOI : -
Dr. Saiful Anwar Malang is a state hospital has done it is job and function, but in 3rd class of pavilion room, the number of patient decrease dramatically. It is concerned with quality of this hospital. To answer this problem, research was done using Quality Function Deployment (QFD). Quality Function Deployment is a tool which design some needs include customers represented as a voice of customer and including some competitions and also groups some activities that usually called affinity graphic ang getting a benchmarking for it is competition. From the result analysis can be showed that main attribute for patience is a accuracy. And from House Of Quality can be found that getting a periodic meeting to evaluate this hospital and also increase a service can be made 20 concept
Articles 722 Documents
E-Procurement Adoption in the Oil and Gas Industry: A Systematic Review Integrating TAM, UTAUT, and IS Success Models Anjali, Aufa Laelani; Arini, Hilya Mudrika
Jurnal Teknik Industri Vol. 27 No. 1 (2026): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol27.No1.47-62

Abstract

The adoption of e-procurement systems in the upstream oil and gas industry remains challenging due to operational complexity, stringent regulatory requirements, and high technological demands. This study investigates the success factors that influence adoption and effectiveness by integrating three theoretical perspectives: the Technology Acceptance Model (TAM), the Unified Theory of Acceptance and Use of Technology (UTAUT), and the DeLone & McLean Information Systems Success Model. A systematic literature review of 62 peer-reviewed articles was conducted to synthesize evidence from user, system, and organizational levels. The results indicate that user acceptance constructs such as perceived usefulness, ease of use, and trust must be complemented by system quality, information accuracy, and user satisfaction, alongside organizational support factors including leadership commitment, infrastructure readiness, and facilitating conditions. Findings demonstrate that fragmented approaches focusing solely on user behavior or system performance are insufficient in the oil and gas sector, where organizational and technical environments critically shape adoption. To address this gap, the study proposes an integrated conceptual framework linking user, system, and organizational dimensions. The framework provides actionable insights for procurement professionals, system developers, and policymakers to enhance digital procurement performance in complex, high-risk contexts.
Game-Theoretic Coordination in a Three-Echelon Vendor Managed Inventory System: A Comparison of Vertical Nash and Stackelberg Games Using the Grey Wolf Optimizer Abdullah , Fakhrina Fahma; Widodo, Erwin; Maulana, Sri Kurnia Dwi Budi
Jurnal Teknik Industri Vol. 27 No. 1 (2026): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol27.No1.63-82

Abstract

This research developed a Vendor Managed Inventory (VMI) model for a three-echelon supply chain consisting of multiple suppliers, one manufacturer, and multiple buyers. The study aimed to optimize total system profit under deterministic demand and industrial constraints. Strategic interactions among actors were modeled using Vertical Nash and Stackelberg game frameworks, and the resulting nonlinear optimization problem was solved using the grey wolf optimizer algorithm. The results indicated that the Vertical Nash game produced higher total profit than the Stackelberg game. Profit distribution reached 6.78% for suppliers, 39.60% for the manufacturer, and 53.62% for buyers under the Vertical Nash game, while the Stackelberg game produced shares of 11.50%, 24.37%, and 64.14%, respectively. These findings demonstrated that decision structure significantly affected system performance and profit allocation in integrated supply chains.

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