J. C. KANANI; V. J. KANERIA. Cordial Labeling for Eight Sprocket Graph. International Journal of Mathematics And its Applications, [S. l.], v. 9, n. 1, p. 67–72, 2021. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/103. Acesso em: 7 may. 2024.