SMARANDACHE, Florentin. Introduction to the IndetermSoft Set and IndetermHyperSoft Set. Neutrosophic Sets and Systems, [S. l.], v. 50, p. 629–650, 2022. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/2549.. Acesso em: 16 jul. 2024.