العوضي ر.ا. 2008. Al-Awadi, Rifʿat al-Sayyed. “Ibn Khaldūn and His Pioneering of Economic Studies: An Inquiry into the Epistemological Dimension,” Year 13, Issue 51 (Winter 1429 AH/ 2008 CE), Pp. 241-262. Al-Fikr al-islāmī al-muʿāṣir (previously Islamiyat al-Ma’rifah). 13, 51 (Jan. 2008), 241262. DOI:https://doi.org/10.35632/citj.v13i51.1219.