Ramadevi, Vedala Naga, and K. Chandan. 2014. “Optimal Strategy Analysis of Two-Phase, N-Policy of M EK 1 Queuing System With System Break -Downs and Balking”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 16 (1): 455-74. https://gssrr.org/JournalOfBasicAndApplied/article/view/2250.