شريقي طرفة, and حسيكة خليل. “The Impact of Exports and Imports of Services on Gross Domestic Product (GDP) in Syria (1980-2017)”. Latakia University Journal - Economic and Legal Sciences Series 42, no. 2 (June 11, 2020). Accessed July 30, 2025. https://journal.latakia-univ.edu.sy/index.php/econlaw/article/view/9652.