THE EVOLUATION OF THE CALIPHATE IN THE LIGHT OF THE QURAN AND HADITH : A SPECIALIZED STUDY . IRJICC [انترنت]. 31 ديسمبر، 2025 [وثق 11 فبراير، 2026];3(4):1-14. موجود في: https://irjicc.com/index.php/irjicc/article/view/45