Tech. Suhaila Juma Radi, Asst. Tech. Afrah Oudah Sabeeh, and Prof. Dr. Safaa Mohammed Hadi. “USING WAITING LINES THEORY TO SOLVE THE PROBLEM OF WAITING A CASE STUDY IN THE NATIONAL BANK OF IRAQ”. World Economics and Finance Bulletin 19 (February 22, 2023): 183-191. Accessed April 13, 2025. https://scholarexpress.net/index.php/wefb/article/view/2247.