@book{23790,
	author = {Guerrero, Jhon Cesar and Méndez Galezo, Javier},
	title = {Hardacan : },
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://docs.google.com/document/d/1LfJ6Vuqt9ALuKgkt1XZ-M2E4OKaMIlQ6/edit?usp=sharing&ouid=117611055736194103914&rtpof=true&sd=true}
}