Team, Support. “A Bulk Queueing System With Starting Failure and Repair, Multiple Vacation, Stand-by Server, Closedown and N-Policy: S. Karpagam, Govindan Ayyappan”. Thai Journal of Mathematics 20, no. 2 (June 30, 2022): 905–936. Accessed April 27, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1369.