JAFFER, I. M. A. .; RAMESH, . K. . Neutrosophic Generalized Pre Regular Closed Sets. Neutrosophic Sets and Systems, [S. l.], v. 30, p. 171-181, 2019. Disponível em: http://fs.unm.edu/NSS2/index.php/111/article/view/343. Acesso em: 28 may. 2023.