NATARAJAN, R. Discrete-time bulk service queuing processes. Defence Science Journal, [S. l.], v. 12, n. 4, p. 317–326, 2014. DOI: 10.14429/dsj.12.6996. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6996. Acesso em: 6 jul. 2025.