JEYANTHI, P.; JEYA DAISY, K.; SEMANIčOVÁ-FEňOVčÍKOVÁ, Andrea. \(Z_k\)-magic labeling of path union of graphs. CUBO, A Mathematical Journal, [S. l.], v. 21, n. 2, p. 15–40, 2019. DOI: 10.4067/S0719-06462019000200015. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/2154. Acesso em: 3 nov. 2025.