Shaker, Intisar, & Ibrahim Aziz. " The Military Impact of the Fortresses and Fortresses on the Banks of the Euphrates in the Crusades between the Muslims and the Crusaders during the Sixth Century AH / Twelfth century AD." Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية [Online], 27.8 (2020): 190-167. Web. 17 May. 2024