1

book
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
2

book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
3

book
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
7

book
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
8

book
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
9

10

12

masterThesis
Published in 2002
Repository Repositorio Universidad Andina Simón Bolivar
16

book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
20

article
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana