IBRAHIM, H. Z. . \(\gamma gb\)-Closed Sets In Topological Spaces. Journal of Advanced Studies in Topology, [S. l.], v. 4, n. 1, p. 73–79, 2022. Disponível em: https://m-sciences.com/index.php/jast/article/view/104. Acesso em: 2 jun. 2023.