BAKULI, K.; PAL, M. A Two-Server Bulk Service Queuing Model with a Permanent Server and a Temporary Server on Hold. Thailand Statistician, [S. l.], v. 21, n. 2, p. 351–369, 2023. Disponível em: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/249006. Acesso em: 5 oct. 2026.