Fuzzy Mathematical Model For A Lot-Sizing Problem In Closed-Loop Supply Chain

Subject Areas : Strategy

Amir  Fatehi Kivi ¹ (Instructor, Young researchers and elite clud, Khalkhal branch, Islamic azad university, khalkhal, iran,)
Amir aydin  Atashi Abkenar ² (MSc, Young researchers and elite clud, Khalkhal branch, Islamic azad university, khalkhal, iran,)
Hossin  alipour ³ (Assistant Professor, Industrial Eng. Dept., Khalkhal Branch, Islamic Azad University, Khalkhal, Iran)

Received: 2015-09-06 Accepted : 2016-12-26 Published : 2018-03-01

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