SIAW, Yee Liew; AHMAD, Tahir. Category of Fuzzy Graph and Its Relation to Morphism. MATEMATIKA, [S. l.], v. 27, p. 11–20, 2011. DOI: 10.11113/matematika.v27.n.292. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/292. Acesso em: 8 may. 2024.