Document Type : Original Article
Authors
1 ;Department of Marketing management , Tehran North branch .Islamic Azad University. Tehran.Iran
2 Faculty member of Ghazali Higher Educational institution,Ghazvin,Iran
3 Faculty of business management, Tehran-e-Shomal Branch, Islamic Azad University,Tehran Iran
4 Business Management Department, Faculty of Management, Islamic Azad University North Tehran Branch,Tehran, Iran.
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