Forcing Subsets for γc-sets and γt-sets in the Lexicographic Product of Graphs. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 12, n. 4, p. 1779–1786, 2019. DOI: 10.29020/nybg.ejpam.v12i4.3485. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3485.. Acesso em: 16 jul. 2024.