Khan, Ismailkhan Enayathulla, and Rajendran Paramasivam. “Performance Study of an M/M/1 Retrial Queueing System With Balking, Dissatisfied Customers, and Server Vacations”. Contemporary Mathematics 4, no. 3 (August 15, 2023): 467–483. Accessed December 21, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/3117.