@book{22825,
	author = {Moncaleano Gallegos, Sergio,},
	title = {Copersianas /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1EmvfguO5us1ln35w9BGFoCHrFFx1hJZ2/view?usp=sharing}
}