@book{76162,
	author = {González-Ortega, Nelson Arturo,},
	title = {Colombia :},
	publisher = {Iberoamericana ;},
	year = {2013.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/56909/}
}