1
book
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 1997
Repository Repositorio Universidad Politécnica Salesiana
3
book
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
4
book
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
5
book
Published in 2013
Repository Repositorio Universidad Politécnica Salesiana
6
article
Published in 1989
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
7
book
Published in 2013
Repository Repositorio Universidad Politécnica Salesiana
8
book
Published in 2013
Repository Repositorio Universidad Politécnica Salesiana
9
article
Published in 2004
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales