Merza Abdul-Kareem, Bestun, and Drakhshan Jalal Hassan. “Using the Two Type Diseases Branching Process Resulted by Chemical Weapon”. Zanco Journal of Human Sciences 26, no. 2 (March 28, 2022): 221–231. Accessed May 6, 2024. https://zancojournal.su.edu.krd/index.php/JAHS/article/view/161.