Hop $k$-Rainbow Domination in Graphs. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 2, p. 5973, 2025. DOI: 10.29020/nybg.ejpam.v18i2.5973. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/5973. Acesso em: 18 jun. 2025.