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• Sadjadi.Seyed Jafar Analysis of Labor-Management Negotiation based on Chicken Evolutionary Game and Catastrophe Theory [ Vol.16, Issue 4 - Autumn Year 2020]
• Sadjadi.Seyed Jafar A multi-product, multi-period model to select supplier for deteriorating products while considering uncertainty as well as backorder [ Vol.16, Issue 3 - Summer Year 2020]
• Shafiq.Muhammad Role of batch size in scheduling optimization of flexible manufacturing system using genetic algorithm [ Vol.16, Issue 1 - Winter Year 2020]