Applications of Intuitionistic Fuzzy Sets to Decision-Making Using AG-Groupoids and Klein Four-Group. Contemporary Mathematics , [S. l.], v. 6, n. 6, p. 8509–8539, 2025. DOI: 10.37256/cm.6620258707. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/8707. Acesso em: 24 dec. 2025.