KARTHICK, V.; SUVITHA, V. Analysis of Heterogeneous Two Server Queueing System With Multiple Working Vacations and Server Breakdowns. Yugoslav Journal of Operations Research, [S. l.], v. 35, n. 1, p. 163–178, 2024. DOI: 10.2298/YJOR230915008K. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/822. Acesso em: 28 jul. 2025.