V. RAJAM; S. UMA. Server-Vacation-Active service-Break down and repair-Equilibrium state queuing model. Malaya Journal of Matematik, India, v. 7, n. 04, p. 871–876, 2019. DOI: 10.26637/MJM0704/0041. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1295. Acesso em: 4 dec. 2024.