Sarita, P. Bhatia, S. Kumar, and H. K. Dhingra. “Reliability and Fault Analysis of a Stochastic Model of a Standby System With Cost Depended Repair/Replacement of Substandard Unit and Correlated Life Time”. Journal of Scientific Research 14, no. 2 (May 1, 2022): 559–568. Accessed July 17, 2024. https://banglajol.info/index.php/JSR/article/view/57494.