Parmender, Vikas Garg, and Amit Kumar. “Stochastic Evaluation of a Duplicate Standby System via Semi-Markov Processes”. Journal of Reliability and Statistical Studies 18, no. 02 (December 28, 2025): 473–490. Accessed April 22, 2026. https://journals.riverpublishers.com/index.php/JRSS/article/view/29243.