1
article
by Vigil, Oscar
Published in 1999
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
2
article
Published in 2010
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
3
bachelorThesis
Published in 2015
Repository Repositorio Universidad Nacional de Loja
4
bachelorThesis
Published in 2016
Repository Repositorio SENESCYT