فهرس المقالات Aliakbar Peyvasteh المقاله 1 - Validation of the Pattern of Brand Marketing Efforts on Social Media with Customers in the Dermato-Cosmetic Industry 20.1001.1.23222301.2021.7.3.14.3 10.30495/jsm.2021.1942981.1544 Yones Kafilaleh Hossein Bodaghi Khajeh Noubar Alireza Motemani Aliakbar Peyvasteh Journal of System Management , العدد 4 , السنة 7 , تابستان 2021