Shekhar, C., A.A. Raina, A. Kumar, and J. Iqbal. “A Survey on Queues in Machining System: Progress from 2010 to 2017”. Yugoslav Journal of Operations Research 27, no. 4 (November 1, 2017): 391–413. Accessed August 25, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/515.