J. JHONSON SAVARIMUTHU; P. ABIRAMI. Octagonal Fuzzy Number and its Corresponding Matrices. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 (Special Issue), p. 75–82, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1398. Acesso em: 17 dec. 2025.