Susmihara, Susmihara. “Dinasti Abbasiyah (Kemajuan Dalam Bidang Ilmu Agama, Filsafat, Pendidikan Dan Sains)”. Al-Hikmah 21, no. 2 (December 1, 2019). Accessed January 30, 2025. https://journal.uin-alauddin.ac.id/index.php/al_hikmah/article/view/12088.