Muzakki, Harir. “Al-Islâm Wa Ushûl Al-Hukm: Delegitimasi Institusi Khilâfah”. Ulumuna 9, no. 2 (November 4, 2017): 397-409. Accessed April 20, 2025. https://ulumuna.or.id/index.php/ujis/article/view/91.