Shrivastav DR, Tomar R. A Study of Multiphase Queueing System of Three Servers for Structured Markov Chain under Matrix Geometric Method. ijmcr [Internet]. 22Jul.2020 [cited 15Mar.2025];8(07):2078-90. Available from: http://mail.ijmcr.in/index.php/ijmcr/article/view/284