GONZAGA, JR., Narciso C.; VILELA, Jocelyn P. Fuzzy order relative to fuzzy B-algebras. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 485–493, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7217. Acesso em: 27 oct. 2026.