فهرس المقالات Constrained space حرية الوصول المقاله صفحة الملخص نص كامل 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