@book{35437,
	author = {González García, Fermín María, and Novak, Joseph D.},
	title = {El mapa conceptual y el diagrama UVE :},
	publisher = {Narcea S.A. de Ediciones,},
	year = {[2009]},
	series = {Universitaria},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/28985/}
}