K. ANANTHI; N. SELVI. Cototal Domination Number of a Zero Divisor Graph. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 2 - C, p. 339–343, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/826. Acesso em: 3 jul. 2024.