@book{23627,
	author = {Arbeláez Rojas, Sergio Julián and Martínez, Fredy Oswaldo},
	title = {Biogranja /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2017.},
	address = {Bogotá (Colombia) :},
	url = {https://docs.google.com/presentation/d/1ihWtTqfZRh8aOEUu2wGNc-HJOnQ07PCK/edit?usp=drive_link&ouid=117611055736194103914&rtpof=true&sd=true}
}