Shanthi. R and Lakshmipriya. G (2025) “Batch arrival Queue with dual-stage service with an additional service and multi-phase Bernoulli governed vacations under N-Policy”, Utilitas Mathematica , 122(1), pp. 1922–1944. Available at: https://utilitasmathematica.com/index.php/Index/article/view/2443 (Accessed: 7 May 2026).