"THE EVOLUATION OF THE CALIPHATE IN THE LIGHT OF THE QURAN AND HADITH : A SPECIALIZED STUDY " (2025) International Research Journal of Islamic Culture and Communication (IRJICC), 3(4), ص 1–14. موجود في: https://irjicc.com/index.php/irjicc/article/view/45 (تاريخ الوصول: 11 فبراير 2026).