ABBAS, M. Results on Permutation Labeling of Graphs. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 1, n. 1, p. 25–31, 2013. DOI: 10.24297/jam.v1i1.6537. Disponível em: https://rajpub.com/index.php/jam/article/view/6537. Acesso em: 3 jul. 2024.