Double domination in lexicographic product graphs. - Abel Cabrera Martínez; Suitberto Cabrera García; Juan A. Rodríguez-Velázquez (Discret. Appl. Math., 2020)

On the Outer-Independent Roman Domination in Graphs. - Abel Cabrera Martínez; Suitberto Cabrera García; Andrés Carrión-García; Angela María Grisales del Rio (Symmetry, 2020)