J. VENKATESWARI; R. VASUKI; P. SUGIRTHA. Super Pair Sum Labeling of $H$-graphs. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 2, p. 177–183, 2015. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/436. Acesso em: 5 may. 2024.