SMARANDACHE, Florentin; ALI, Mumtaz. Neutrosophic Triplet Group (revisited). Neutrosophic Sets and Systems, [S. l.], v. 26, p. 01–11, 2019. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/132.. Acesso em: 18 may. 2025.