REGULAR \beta-GENERALIZED CLOSED SETS. Far East Journal of Mathematical Sciences (FJMS), [S. l.], v. 140, n. 1, p. 47–58, 2023. DOI: 10.17654/0972087123003. Disponível em: https://pphmjopenaccess.com/fejms/article/view/243. Acesso em: 5 jan. 2026.