Copyright (c) 2019 Gibran Alejandro Rojas, Yisa María Ochoa Fuentes, Ernesto Cerna Chavez, Juan Carlos Delgado Ortíz, Luis Alberto Aguirre Uribe, Jerónimo Landeros Flores, Melchor Cepeda Siller
This work is licensed under a Creative Commons Attribution 4.0 International License.