MUTHUKUMAR S. “A Steady State Behavior of M/M/1 Queue With an Optional Differentiated Working Vacations and Arrival Restriction”. Communications in Mathematics and Applications 16, no. 1 (August 13, 2025). Accessed August 18, 2025. https://www.journals.rgnpublications.com/index.php/cma/article/view/2815.