Ahmed, B., بسمة, S. 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, vol. 4, no. 14, June 2025, pp. 373-90, https://rjps.uomosul.edu.iq/index.php/jeh/article/view/5120.