V, J.; C, J. On Soft gr-Closed sets in Soft Topological Spaces. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 4, n. 3, p. 478–485, 2013. DOI: 10.24297/jam.v4i3.3697. Disponível em: https://rajpub.com/index.php/jam/article/view/3697. Acesso em: 23 nov. 2024.