Abdulqdir, S. M. M., M. R. M. nor, and F. A. F. Abdul Hamid. “Social Life in the Territory of the Three Cities During Roman Era”. Al-Muqaddimah: Online Journal of Islamic History and Civilization, vol. 5, no. 1, May 2017, pp. 128-43, https://vmis.um.edu.my/index.php/MUQADDIMAH/article/view/11126.