Vol. 9 No. 1 (2021): Thai Journal of Operations Research: TJOR Vol 9 No 1 (January - June 2021)

Research Paper

• Fleet assignment problem with integer linear programming (A case study : Nok air airline)

  Ratee Bojaras, Piyatida Saensao

  1-9

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• Determining the Optimal Base Stock Level when Demand and Supply Disruption Length are Discretely Distributed

  Chirakiat Saithong, Natthawut Wichianpong

  10-21

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• Measuring the Efficiency of Public Service Sector Banks in India Using Two-Stage Closed System DEA approach

  Ms. Jenifer Christinal, Dr. P. Mariappan, Dr. Dinesh Dave

  22-30

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• Topic Modeling and Text Classification for Xenophobia on Twitter during COVID-19

  Budsabong Kachintararojn, Duanpen Teerawanviwat, Pachitjanut Siripanich

  31-44

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• Proximal Policy Optimization on Casual Restaurant Raw Material Stock

  Nutthawat Ekthammanit, Worapol Pongpech

  45-54

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• Multicriteria Analysis for Method Selection in Old Coal Mine Pit Closure in East Kalimantan in Indonesia

  ฺBralee Hemearaswad, Patcharaporn Yanpirat, Sansanee Supapa

  55-66

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• Cluster Analysis of Retirement Mutual Funds

  Sasiprapa Hiriote, Chayanee Phunphiphat, Pornpimon Kunphong

  67-78

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• A Hybrid Firefly Algorithm to Minimize Total Cost of Earliness and Tardiness in Precast Production Scheduling

  Sivasit Wittayasilp, Wanatchapong Kongkaew

  79-91

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• Applying a two-stage clustering-assignment model for an item-associated product family warehouse storage location problem

  Akkaranan Pongsathornwiwat, Kanitta Lawhawichitsak

  92-105

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• A Supervised Learning-Based Supplier Classification Model for Supplier Performance Evaluation Problem in SAP ERP

  Akkaranan Pongsathornwiwat, Narongsak Kowwilaisaeng

  106-119

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• Determining Wood Sheet Cutting Pattern for Knockdown Furniture Using Heuristic Algorithms

  Punyanuch Kosutao, Chansiri Singhtaun, Roongrat Pisuchpen

  120-131

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• Optimization of Cash Logistics in A Cash Center

  jiraphat navakhunmongkol, Juta Pichitlamken

  132-141

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• Designing of a Planning and Scheduling Tool for Earth Moving Operation

  Thitiya Theerarangsikul, Worawut Wangwatcharakul

  142-152

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• Parallel Machine Scheduling in the Testing Process of Integrated Circuit

  Thanawat Wongkrue, Worawut Wangwatcharakul

  153-162

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• OPERATING ROOM SCHEDULING UNDER LIMITED ICU BEDS

  Thitirat Ruansirilert, Sorawit Yaovasuwanchai

  163-174

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