Elsharif, Mohamed, and Abdou Babiker. “Effects of Macroeconomic Variables on Gross Domestic Product in Saudi Arabia Using ARDL Model for the Period 1993-2019”. Journal of Economics and Administrative Sciences 27, no. 126 (February 28, 2021): 553-570. Accessed May 18, 2021. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/2124.