SEOK-ZUN SONG; MADAD KHAN; SMARANDACHE, Florentin; YOUNG BAE JUN. Interval neutrosophic sets applied to ideals in BCK/BCI-algebras. Neutrosophic Sets and Systems, [S. l.], v. 18, p. 16–26, 2018. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/419.. Acesso em: 12 feb. 2025.