Khaskheli, Sarmad Ali, Hamid Ali Kalwar, Muhammad Ahmed Kalwar, Hussain Bux Marri, Muhammad Ali Khan, and Murlidhar Nebhwani. 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):1351-67. https://cibgp.com/au/index.php/1323-6903/article/view/2067.