1
article
Published in 2002
Repository Repositorio Universidad Andina Simón Bolivar
2
article
Published in 2016
Repository Revista Comentario Internacional
3
bachelorThesis
by Arcentales Zambrano, Karla Paola; Vilema Escudero, Hernán Vinicio; Zambrano Santana, Dolores Hellen
Published in 2003
Repository Repositorio Escuela Superior Politécnica del Litoral