Dr.Ahmed Hadi Salman. “Iraq Exports, Imports and GDP: The Co-Integration and Causality for the Period (1990-2020)”. Eurasian Journal of History, Geography and Economics 7 (April 16, 2022): 23–27. Accessed April 8, 2025. https://geniusjournals.org/index.php/ejhge/article/view/1040.