RIAD K. AL-HAMIDO. Neutrosophic Crisp Bi-Topological Spaces. Neutrosophic Sets and Systems, [S. l.], v. 21, p. 66–73, 2018. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/302.. Acesso em: 23 nov. 2024.