SHYAMALA, S., & AYYAPPAN, D. G. (2013). Transient Solution of M[X]=G=1 With Second Optional Service, Bernoulli Schedule Server Vacation and Random Break Downs. INTERNATIONAL JOURNAL OF MANAGEMENT &Amp; INFORMATION TECHNOLOGY, 3(3), 45–55. https://doi.org/10.24297/ijmit.v3i3.1722