1
article
Published in 2020
Repository Revista Universidad Verdad
2
masterThesis
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
3
bachelorThesis
Published in 1996
Repository Repositorio Universidad de Cuenca
4
article
Published in 2018
Repository Revista Siembra
5
article
Published in 2020
Repository Revista Siembra