8

masterThesis
Published in 2012
Repository Repositorio Universidad Politécnica Salesiana
9

masterThesis
Published in 2012
Repository Repositorio Universidad Politécnica Salesiana
11

masterThesis
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
13

masterThesis
Published in 2010
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
14

15

masterThesis
Published in 1996
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales