@book{16908,
	author = {Castillo, Nicolas},
	title = {Las 3 caras de la moneda /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2016.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/open?id=1ugnoM7K6TKziC0eLkK5vvunPVUZTeybT}
}