61
article
Published in 2012
Repository Repositorio Universidad Politécnica Salesiana
62
article
Published in 2008
Repository Repositorio Universidad Politécnica Salesiana
63
article
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
64
article
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
65
article
Published in 2009
Repository Repositorio Universidad Politécnica Salesiana
66
article
Published in 2008
Repository Repositorio Universidad Politécnica Salesiana
67
article
Published in 2009
Repository Repositorio Universidad Politécnica Salesiana
68
article
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
69
article
Published in 1997
Repository Revista CHASQUI
70
article
Published in 1998
Repository Revista CHASQUI
71
article
Published in 1991
Repository Revista CHASQUI