Subject Areas :
                                                    
                                                             osman hedayat
                                                        
                                                            1
                                                                *
                                                            
                                                                
                                                                    
                                                                
                                                        
                                                    
                                                    ,
                                                    
                                                             asrin faizi
                                                        
                                                            2
                                                        
                                                    
                                    
                                               1 -     PhD Student, Department of Sociology, Faculty of Economics, Management and Social Sciences, Shiraz University, Shiraz, Iran 
                                               
                                               2 -     Graduated
                                               
                                       
Keywords:
Abstract :