G, S.; KANNA, R. Bounds on Energy and Laplacian Energy of Graphs. Journal of the Indonesian Mathematical Society, [S. l.], v. 23, n. 2, p. 21–31, 2017. DOI: 10.22342/jims.23.2.316.21-31. Disponível em: http://jims-a.org/index.php/jimsa/article/view/316. Acesso em: 5 jul. 2022.