Hassan, Drakhshan J., Feink M. Omer, and Esraa A. Haydier. “Using Queuing Theory to Choosing the Best Model for the Number of Recent Births and Deaths Data in Maternity Hospital - Erbil”. Polytechnic Journal of Humanities and Social Sciences 5, no. 1 (May 18, 2024): 678-683. Accessed July 3, 2024. https://journals.epu.edu.iq/index.php/ptjhss/article/view/1512.