N-Micro topological spaces . Samarra Journal of Pure and Applied Science, [S. l.], v. 2, n. 4, p. 126–134, 2021. DOI: 10.54153/sjpas.2020.v2i4.159. Disponível em: https://sjpas.com/index.php/sjpas/article/view/159. Acesso em: 7 may. 2026.