BALASUBRAMANIAN ELAVARASAN; SMARANDACHE, Florentin; YOUNG BAE JUN. Neutrosophic ℵ −ideals in semigroups. Neutrosophic Sets and Systems, [S. l.], v. 28, p. 273–280, 2019. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/250.. Acesso em: 18 may. 2025.