S. S. SANDHYA; E. EBIN RAJA MERLY; S. D. DEEPA. Heronian Mean Labeling of Double Triangular and Double Quadrilateral Snake Graphs. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 1 - A, p. 79–88, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/755. Acesso em: 3 jul. 2024.