1
book
Published in 2021
Repository Repositorio Universidad Técnica del Norte
2
book
by Guaranguay Chaves, Carmen; Reyes Reyes, Estela Yadira; Chávez Vélez, Fanny Mirian; Tapia Mieles, María Agustina
Published in 2019
Repository Repositorio Universidad Laica Eloy Alfaro de Manabí
3
book
Published in 2015
Repository Repositorio Universidad Técnica de Machala
4
book
Published in 2020
Repository Repositorio Universidad Andina Simón Bolivar
5
book
Published in 2021
Repository Repositorio Universidad Andina Simón Bolivar