2

article
Published in 1993
Repository Repositorio Universidad Andina Simón Bolivar
4

article
Published in 2002
Repository Repositorio Universidad Andina Simón Bolivar
5

article
Published in 2003
Repository Repositorio Universidad Andina Simón Bolivar
6

article
Published in 1996
Repository Repositorio Universidad Andina Simón Bolivar
7

article
Published in 2008
Repository Repositorio Universidad Andina Simón Bolivar
8

article
Published in 2008
Repository Repositorio Universidad Andina Simón Bolivar
9

article
Published in 2003
Repository Repositorio Universidad Andina Simón Bolivar
12

13

article
Published in 2000
Repository Repositorio Universidad Andina Simón Bolivar
14

article
Published in 2006
Repository Repositorio Universidad Andina Simón Bolivar