P. CHELLAMANI; D. AJAY. Irregular Pythagorean Neutrosophic Graphs . Neutrosophic Sets and Systems, [S. l.], v. 96, p. 321–331, 2026. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/7273.. Acesso em: 7 dec. 2025.