G. KANNADASAN; D. DEVI; N. SATHIYAMOORTHI. The analysis of the M/M/1 queue with two vacation policies using pentagonal fuzzy numbers. Malaya Journal of Matematik, India, v. 7, n. 03, p. 526–531, 2019. DOI: 10.26637/MJM0703/0026. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/747. Acesso em: 21 nov. 2024.