BATRA, D. P. Single Queue Attended by Alternative Servers with Changeover Times. Defence Science Journal, [S. l.], v. 26, n. 4, p. 161–168, 2014. DOI: 10.14429/dsj.26.6641. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6641. Acesso em: 16 jun. 2025.