6

article
Published in 1990
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
7

article
Published in 1987
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
8

article
Published in 1987
Repository Revista CHASQUI
9

article
Published in 1990
Repository Revista CHASQUI
15

book
Repository Repositorio Universidad Politécnica Salesiana
16

book
Repository Repositorio Universidad Politécnica Salesiana