Distance k-Cost Effective Sets in the Corona and Lexicographic Product of Graphs. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 1, p. 261–270, 2023. DOI: 10.29020/nybg.ejpam.v16i1.4381. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4381. Acesso em: 22 dec. 2024.