Shaker, Intisar, AND 		Aziz, Ibrahim.
" 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" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 27 Number 8 (30 December 2020)