SMARANDACHE, Florentin. New Types of Soft Sets” HyperSoft Set, IndetermSoft Set, IndetermHyperSoft Set, and TreeSoft Set”: An Improved Version. Neutrosophic Systems with Applications, [S. l.], v. 8, p. 35–41, 2023. DOI: 10.61356/j.nswa.2023.41. Disponível em: https://sciencesforce.com/index.php/nswa/article/view/149.. Acesso em: 20 nov. 2024.