Bura, Gulab Singh, and Ram Niwas Bura. “TIME DEPENDENT ANALYSIS OF A QUEUEING SYSTEM INCORPORATING THE EFFECT OF ENVIRONMENT, CATASTROPHE AND RESTORATION”. Journal of Reliability and Statistical Studies 8, no. 02 (December 1, 2015): 29–40. Accessed June 3, 2026. https://journals.riverpublishers.com/index.php/JRSS/article/view/21043.