فهرست مقالات Imperfect and scrap items دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Retracted: Using genetic algorithm approach to solve a multi-product EPQ model with defective items, rework, and constrained space Kiamars Fathi Hafshejani Changiz Valmohammadi Alireza Khakpoor