Faris, Ali. M., and Faisal M. Shalloof. “Primary Indicators of Foreign Trade Situation of Arab Countries”. Al-Mukhtar Journal of Sciences 5, no. 1 (December 31, 1998): 66–85. Accessed May 6, 2026. https://mdp.omu.edu.ly/journals/index.php/mjsc/article/view/2423.