Document Type : Research
Authors
1 Departmet Of Commercial Management,North Tehran Branch,Islamic Azad University,Tehran,Iran
2 Assistant professor,Department of management,Ghazali Higher education institute.Ghazvin,iran.
3 Department of Business Administration, Faculty of Management and Accounting, Shahid Beheshti Gniversity, Tehran, Iran.
4 Associate professor, Faculty of Management and Accounting Shahid Beheshti University, Tehran, Iran
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