@book{76805,
	author = {Loyola Illescas, Edgar,},
	title = {Análisis de la UPS en cifras /},
	publisher = {Abya Yala ;},
	year = {2016.},
	address = {Quito, Ecuador :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/58928/}
}