SHEKHAR, C., RAINA, A., KUMAR, A., & IQBAL, J. (2017). A SURVEY ON QUEUES IN MACHINING SYSTEM: PROGRESS FROM 2010 TO 2017. Yugoslav Journal Of Operations Research, 27(4), 391- 413. Retrieved from https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/165