Ahmed, Basma, بسمة, Safwan Hassan, and صفوان. “Excessive Killing in the First Crusade and Its Impact on Demographic Change in the Levant (490-521A.H1097-1127A.D.)”. Journal of Education for the Humanities 4, no. 14: 373–390. Accessed October 2, 2025. https://jcis.uomosul.edu.iq/index.php/jeh/article/view/42788.