S. Vijay Prasad, Rakesh Kumar Verma, Anjali Srivastava and Deepti Gupta (2018) “A Study on Multi Server Queuing Model to Optimize the Performance of a Toll Plaza”, International Journal of Mathematics And its Applications, 6(2 - B), pp. 355–359. Available at: http://ijmaa.in/index.php/ijmaa/article/view/733 (Accessed: 24 October 2026).