Copyright (c) 2019 Jorge Salguero Aparicio, Jorge Salguero Aparicio, Nicole Cuneo Barbosa, Nicole Cuneo Barbosa, Fernando Olguín Herrera, Fernando Olguín Herrera, Emily Osse Mejias, Emily Osse Mejias, María Elena Villanueva Ilufi, María Elena Villanueva Ilufi

URL de la licencia: https://creativecommons.org/licenses/by-sa/4.0