1
book
Published in 2004
Repository Repositorio Universidad Politécnica Salesiana
2
article
Published in 2007
Repository Revista ICONOS
3
article
Published in 2007
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
4
article
Published in 2003
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
5
article
Published in 2006
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales