AL-Mulla hasan, M. 2024. 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. International Journal of Innovation and Business Strategy (IJIBS). 19, 1 (Jun. 2024), 61–73. DOI:https://doi.org/10.11113/ijibs.v19.153.