G. Ayyappan, and S.Shyamala. 2013. “Transient Solution of an \(M^{[X]} / G / 1\) Queuing Model With Feedback, Random Breakdowns and Bernoulli Schedule Server Vacation Having General Vacation Time Distribution”. Malaya Journal of Matematik 1 (02). India:68-76. https://doi.org/10.26637/mjm102/009.