MANDAL, S.; KARIM, I. U.; RAHA, S. A Theory of Approximate Reasoning with Type-2 Fuzzy Set. Journal of the Indonesian Mathematical Society, [S. l.], v. 27, n. 1, p. 9–28, 2021. DOI: 10.22342/jims.27.1.905.9-28. Disponível em: http://jims-a.org/index.php/jimsa/article/view/905. Acesso em: 28 mar. 2024.