Muhammad, Abd Al-Salam Gomaa, and Raad Hussein Najm Al-Hamdani. “The Military Campaigns of Emperor John Zemskis the First Against the Islamic Outposts in the Euphrates and the Levant”. Journal of Tikrit University for Humanities 27, no. 12 (December 22, 2020): 274–291. Accessed May 7, 2026. https://jtuh.org/index.php/jtuh/article/view/438.