Copyright (c) 2019 Edna Lizeth Castrillon Peña, Lithey Cristina Poveda Conde, Maria Camila Suaza Vallejo, Marlio Vanegas Vidal, Juan Camilo Barrios Torres, Hernán Isaías Vargas Plazas

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