Minimal and Upper Cost Effective Domination in Graphs. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 14, n. 2, p. 537–550, 2021. DOI: 10.29020/nybg.ejpam.v14i2.3955. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3955. Acesso em: 4 dec. 2024.