Hamzah, Andi Abdul. “Sistem Pemerintahan Al-Khil±fah”. Nady Al-Adab : Jurnal Bahasa Arab 3, no. 1 (July 6, 2020): 52-71. Accessed July 5, 2022. https://journal.unhas.ac.id/index.php/naa/article/view/3825.