JAYDEEP PAREJIYA. On the Connectedness of the Complement of a Unit Graph of a Commutative Ring. International Journal of Mathematics And its Applications, [S. l.], v. 7, n. 4, p. 149–152, 2019. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/215. Acesso em: 13 oct. 2025.