حامد ا. ع. ا., “Hamid, Eltigani Abdulqadir. “Civil Organization from a Qur’anic Perspective: A Study of the Foundations of the Islamic Social System," Year 4, Issue 15 (Winter 1419 AH/ 1999 CE), Pp. 7-49”., CITJ, vol. 4, no. 15, pp. 49–7, Jan. 1999.