1
book
Published in 1978
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 1991
Repository Repositorio Universidad Politécnica Salesiana
3
book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
4
article
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
5
article
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
6
article
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana