Heba Rashad and Mai Mohamed, “Neutrosophic Theory and Its Application in Various Queueing Models: Case Studies”, Neutrosophic Sets Syst., vol. 42, pp. 117–135, May 2021, Accessed: Jun. 03, 2024. [Online]. Available: http://fs.unm.edu/nss8/index.php/111/article/view/4074