Vol. 10 No. 1 (2022): Thai Journal of Operations Research: TJOR Vol 10 No 1 (January - June 2022)

Research Articles or Academic Articles

• The Development of the Sentiment and Visual Characterization Analyzer for the Social Media Images

  Prasit Chulanutrakul, Worapol Pongpech

  1-15

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• A Two-Phase Heuristic for Solving Vehicle Routing Problem: a Case Study of Snack Wholesale in Kalasin Province

  Anucha Sriburum, Thaithat Sudsuansee, Waraporn Waworot, Amin Lawong

  16-28

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• Two-echelon Inventory Model with Uncertainty Demand

  Siraprapa Manomat

  29-41

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• Application of Analytical Hierarchy Process to New Office Location Selection: A Case Study of Maintenance Service Company for Petrochemical Industry

  Chatchai Jaitiya, Saowanit Lekhavat

  42-51

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• Inventory Models from Medicine Demand Forecasting with Dummy Variables and Interaction Terms of Multiple Regression

  Tapmanee Tapabut

  52-63

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• Street Fashion Company’s Optimal Order Quantity Using Newsvendor Model and Simulation Model

  Siriphan Kajeeratwatthana

  64-81

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• Comparison Simultaneous Row-and-Column Generation Approach for Large-Scale Linear Programming Problem and secondary memory utilization

  Pawit Kraisornnukhor, Peerayuth Charnsethikul, Thanapan Kongtong, Papis Wongchaisuwat

  82-93

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• Evaluating the effects of different factors on the order picking efficiency in the single-block warehouse

  Makusee Masae, Wasin Padungwech, Panupong Vichitkunakorn

  94-102

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• Pharmacist scheduling models to reduce workload inequality

  Pariwat Arrichat, Sarawut ๋Jansuwan, Siwiga Dusadenoad, Akkaranan Pongsathornwiwat

  103-112

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• Heuristic to Minimize the Number of Tardy Jobs for 2-Stages Assembly Scheduling Problem

  Nattakorn Puttasorn, Tanawat Varoonchotikul, Witid Junin, Anot Chaimanee

  113-127

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• Efficiency Analysis of Hydroelectric Power Plant Establishment for Medium Reservoirs: A Case Study of Lampang Province

  Pandhita Norasretpanya, Kasita jittasamroeng, Wutiphol Sintunavarat

  128-139

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• An Allocation of Insurance Surveyors Based on a Covering of the Number of Accidents: A Case Study of an Insurance Company in Nakhon Ratchasima

  Supphaluk Chookaew, Manatsawee Pongariyasap, Aua-aree Boonperm

  140-152

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• An Integer Goal Programming Model for a Touring Route Planning under the Factors by Tourists

  Thanyarat Booncherd, Nayada Karnthang, Chomphunut Buarod, Aua-aree Boonperm

  153-165

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• An improvement of Chemotherapy Infusion center via simulation: A case study of university hospital in the deep south of Thailand

  Nitipat Laomongkholchaisri, Palida suttishe, Jirawan Jansuwan, Sumalee Wungthanakorn, Cholticha Thongprom, Irin Adjanaromwat, Pasuree Sangsupawanich

  166-178

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• A Hybrid Differential Evolution for the Blood Routing Problems: A Case Study of Hospital Cluster in Songkhla Province

  Kunanon Intapan, Wanatchapong Kongkaew, Sakesun Suthummanon, Supattra Mitundee, Siriphat Saranobphakhun

  179-192

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