T. ROJA MARY; K.P. UMA. A stochastic model for a single grade system with backup resource of manpower. Malaya Journal of Matematik, India, v. 2, n. 03, p. 243–248, 2014. DOI: 10.26637/mjm203/009. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/413. Acesso em: 16 jul. 2024.