AL-Mulla hasan M. The Role of Social Media Sites in Enhancing Customer Voluntary Behavior An Exploratory Study of the Opinions of a Sample of Citizens in Nineveh Governorate. IJIBS [Internet]. 2024 Jun. 30 [cited 2024 Sep. 17];19(1):61-73. Available from: https://ijibs.utm.my/index.php/ijibs/article/view/153