1.
Seenivasan M, Ramesh R, Patricia F. A markovian queueing model with catastrophe, unreliable and backup server. Int. J. of Health Sci. [Internet]. 2022 Jul. 14 [cited 2025 Oct. 10];6(S5):9136-50. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/10690