ARORA, K. L. Many server queuing problem with limited waiting space. Defence Science Journal, [S. l.], v. 14, n. 1, p. 17–22, 2014. DOI: 10.14429/dsj.14.7128. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7128. Acesso em: 6 jul. 2025.