Characterizations of Some Topological Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 3, p. 1434–1447, 2023. DOI: 10.29020/nybg.ejpam.v16i3.4737. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4737.. Acesso em: 10 may. 2024.