1
book
Published in 2024
Repository Repositorio Universidad Estatal Península de Santa Elena
2
book
Published in 2019
Repository Repositorio Universidad Laica Vicente Rocafuerte
3
book
Published in 2015
Repository Repositorio Universidad Técnica de Machala
4
book
Published in 2019
Repository Repositorio Universidad Laica Vicente Rocafuerte
5
book
Published in 2018
Repository Repositorio Universidad Nacional de Chimborazo
6
book
Published in 2013
Repository Repositorio Universidad Andina Simón Bolivar