por López Durán, Rosalío [author.] | Villamar Cruz, Virginia [author.] | González Infante, Carla Liliana [author.] | Díaz Ponce, Olga Verónica [contributor agent of text.].
por Cruz Gayosso, Moisés [author.] | Ochoa Hofmann, Alfonso Estuardo [author.] | Robles Vázquez, Jorge [author.].