@book{8249, author = {Casas Gragea, Ángel María}, title = {El modelo regional andino :}, publisher = {Universidad Andina Simón Bolívar,}, year = {2003}, series = {Magíster}, address = {Quito, Ecuador :}, edition = {Primera edición }, note = {IEPI - 002267 - 25-11-2002} }