V. J. KANERIA; H. P. CHUDASAMA. Graceful Labeling in the Context of Duplication of Some Graph Elements in $\bf K_{m,n}$. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 3 - A, p. 53–55, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/847. Acesso em: 3 jul. 2024.