فهرس المقالات Nash Bargaining حرية الوصول المقاله صفحة الملخص نص كامل 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 حرية الوصول المقاله صفحة الملخص نص كامل 2 - Using the Nash Bargaining Method for Performance Evaluation and Target Setting with Grey Data Arezo taheri kamran mohsen rostami farad hosenzadeh