V J KANERIA; OM TERAIYA; PARINDA BHATT. One Point Union of $\alpha-$graceful Graphs. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 2 - A, p. 7–11, 2016. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1000. Acesso em: 3 jul. 2024.