More on Perfect Roman Domination in Graphs. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 3, p. 529–548, 2020. DOI: 10.29020/nybg.ejpam.v13i3.3763. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3763. Acesso em: 26 nov. 2024.