1
article
Published in 2016
Repository Repositorio Universidad Técnica de Machala
2
article
Published in 2015
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
3
book
Published in 1892
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
4
masterThesis
Published in 2015
Repository Repositorio SENESCYT