TARIQ AHMAD KOKA; V. H. BADSHAH; RIYAZ AHMAD SHAH. Single and Multi Server Queuing Models: A Study. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - D, p. 595–603, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1313. Acesso em: 3 jul. 2024.