Khaskheli, S. A. . (2021) “APPLICATION OF MULTI-SERVER QUEUING MODEL TO ANALYZETHE QUEUING SYSTEM OF OPD DURING COVOD-19 PANDEMIC: A CASE STUDY”, The journal of contemporary issues in business and government, 27(5), pp. 1351–1367. Available at: https://cibgp.com/index.php/1323-6903/article/view/2067 (Accessed: 24 October 2025).