SAHU, S. Profit Analysis of a System having a sub-system in Fuzzy Environment. International Journal of Engineering and Computer Science, india, v. 8, n. 06, p. 24661–24678, 2019. DOI: 10.18535/ijecs/v8i06.4323. Disponível em: http://ijecs.in/index.php/ijecs/article/view/4323. Acesso em: 20 apr. 2024.