Fitra, Tasnim Rahman. “IJTIHAD ‘UMAR IBN AL-KHAṬṬĀB DALAM PERSPEKTIF HUKUM PROGRESIF”. Al-Ahkam 26, no. 1 (April 14, 2016): 49–64. Accessed January 22, 2025. https://journal.walisongo.ac.id/index.php/ahkam/article/view/705.