Team S. Mininal S_beta-open sets and Maximal S_beta-closed sets in topological spaces: Ardoon Jongrak. Thai J Math [Internet]. 2018 Dec. 28 [cited 2024 Dec. 22];:430-6. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/751