@book{88229,
	author = {Baltés, Carlos,},
	title = {El mundo de hoy :},
	publisher = {Visión Libros,},
	year = {[2011]},
	address = {Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/89310/}
}