Muthukumar, S., J. Ebenesar Anna Bagyam, and S. Keerthana. “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): 277–291. Accessed October 26, 2025. https://www.journals.rgnpublications.com/index.php/cma/article/view/2815.