Document Type : Research Paper
Authors
1 Department of management, Hamedan branch, Islamic Azad University, Hamedan, Iran.
2 Associate Prof, Department of Management, Faculty of Management and Accounting,Allameh Tabatabai University,Tehran,Iran
3 Department of Management Hamedan branch, Islamic Azad University,Hamedan ,Iran.
4 Department of Management, Faculty of Management and Accounting, Bu- Ali Sina University,Hamedan,Iran.
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