@book{23706,
	author = {Bermudez, Helberth Eduardo and De la Hoz, Carlos},
	title = {Estuches C & H /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://docs.google.com/document/d/1ph1VRbGSDMRCFoPDwjFcV861N6JizXzD/edit?usp=sharing&ouid=117611055736194103914&rtpof=true&sd=true}
}