إبراهيم عبد الله رمزي. “Thee Confrontation of the Khalefa Omar Bin Al-Kattab ( to Be Satisfied With Allah ) to the Crisis of ( Am Al-Ramada ) 18A.H / 639A.D”. College of Basic Education Research Journal 11, no. 4 (December 1, 2012): 339–361. Accessed October 26, 2025. https://moss.uomosul.edu.iq/index.php/berj/article/view/39126.