NOAMAN, I.; SAYED, M. E. Simply Fuzzy generalized open and closed sets. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 4, n. 3, p. 528–533, 2013. DOI: 10.24297/jam.v4i3.3704. Disponível em: https://rajpub.com/index.php/jam/article/view/3704. Acesso em: 22 jul. 2024.