S.SUMITHRA DEVI, L.MEENAKSHI SUNDARAM. D ?S-Closed Sets in Topological Spaces. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 4, p. 10442–10449, 2023. DOI: 10.17762/msea.v71i4.1907. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/1907. Acesso em: 8 may. 2024.