Yusrul Hana, Muhamad, Affan Ismail, and Ismail Hamid. “The Social Hierarchy of Arab and Non-Arab Peoples in Classical Islamic History: A Historical and Sociological Analysis”. Batuthah: Jurnal Sejarah Padaban Islam 5, no. 1 (March 31, 2026): 97–116. Accessed April 11, 2026. https://ejournal.uiidalwa.ac.id/index.php/batuthah/article/view/4322.