فهرست مقالات loop supply chain . Data envelopment analysis . Nash bargaining game . Supplier selection . Quantity discount policy دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - A multi-objective model for closed-loop supply chain optimization and efficient supplier selection in a competitive environment considering quantity discount policy Mustafa Jahangoshai Rezaee Samuel Yousefi Jamileh Hayati