A multi-objective model for closed-loop supply chain optimization and efficient supplier selection in a competitive environment considering quantity discount policy
Subject Areas : Mathematical Optimization
                                                    
                                                             Mustafa Jahangoshai Rezaee
                                                        
                                                            1
                                                            
                                                        
                                                    
                                                    ,
                                                    
                                                        Samuel Yousefi
                                                        
                                                            2
                                                                
                                                                     ,                                                    
                                                        Jamileh Hayati
                                                        
                                                            3
                                                                
                                                        
                                                    
    ,                                                    
                                                        Jamileh Hayati
                                                        
                                                            3
                                                        
                                                    
                                    
                                               1 -     Faculty of Industrial Engineering, Urmia University of Technology, Urmia, Iran
                                               
                                               2 -     Faculty of Industrial Engineering, Urmia University of Technology, Urmia, Iran
                                               
                                               3 -     Faculty of Industrial Engineering, Urmia University of Technology, Urmia, Iran
                                               
                                       
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Abstract :

 
                                    