Hamad, Abdel Fattah Rajab. “The Postal System Among Arabs and Muslims During the Middle Islamic Era”. Al-Mukhtar Journal of Social Sciences 12, no. 1 (December 31, 2011): 181–193. Accessed January 24, 2026. https://mdp.omu.edu.ly/journals/index.php/mjssc/article/view/261.