, D. A. S. S. M. R. Arithmetic Operations on Intuitionistic Hexagonal Fuzzy Numbers Using ? Cut. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 5, n. 6, p. 696 –, 2017. DOI: 10.17762/ijritcc.v5i6.837. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/837. Acesso em: 8 may. 2024.