@book{23072,
	author = {Ortega, Oscar David },
	title = {Sacrificio /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2015.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/drive/folders/1OklxzZaxhhC4qWh7tnh-9FEJA_HKyyj7?usp=drive_link}
}