الأحمد محمد علي. Ahmad, Muhammad Ali. “Towards a Methodological Perspective in the Study of History: Ibn Khaldūn as a Model," Year 13, Issue 51 (Winter 1429 AH/ 2008 CE), Pp. 9-38. Al-Fikr al-islāmī al-muʿāṣir (previously Islamiyat al-Ma’rifah), [S. l.], v. 13, n. 51, p. 9–38, 2008. DOI: 10.35632/citj.v13i51.1205. Disponível em: https://citj.org/index.php/citj/article/view/1205. Acesso em: 5 may. 2026.