1
bachelorThesis
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
2
article
by Pérez Orozco, Carlos Enrique; Ruíz Aguilera, Sandra; Cabezas Báez, Jury Ivanor; López Meneses, Matilde; Vargas Galeano, José Alejandro
Published in 2016
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales