1
article
by Méndez Mantuano, Marcel Oswaldo; Campi Mayorga, Ida Ivette; Huayamave Rosado, Ángel Raúl; Lozada Valdez, Amanda Yolanda
Published in 2017
Repository Repositorio Pontificia Universidad Católica del Ecuador Sede Ambato
2
bachelorThesis
Published in 2014
Repository Repositorio Universidad de Guayaquil