AL MUTAB, H. M. . Fuzzy Graphs. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 17, p. 232–247, 2019. DOI: 10.24297/jam.v17i0.8443. Disponível em: https://www.rajpub.com/index.php/jam/article/view/8443. Acesso em: 24 jul. 2025.