TEAM, S. Mininal S_beta-open sets and Maximal S_beta-closed sets in topological spaces: Ardoon Jongrak. Thai Journal of Mathematics, [S. l.], p. 430–436, 2018. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/751. Acesso em: 22 dec. 2024.