Santhi K, Epsiya A. A Non-Markovian Queue with Second Optional Service, Disasters, Working Breakdowns and Working Vacation. Comm. Math. Appl. [Internet]. 2022 Nov. 29 [cited 2024 Nov. 22];13(3):987-1002. Available from: http://rgnpublications.com/journals/index.php/cma/article/view/2074