JEYANTHI, P.; DEVI, T. S. Edge Pair Sum Labeling. Journal of Scientific Research, [S. l.], v. 5, n. 3, p. 457–467, 2013. DOI: 10.3329/jsr.v5i3.15001. Disponível em: https://banglajol.info/index.php/JSR/article/view/15001. Acesso em: 3 jul. 2024.