@book{19068,
	author = {Calderón Rodrigues, Víctor Fernando  and Vega Mora, Luz Dary },
	title = {Expopan:},
	publisher = {Corporación Unificada Nacional de Eduación Superior - CUN,},
	year = {2020.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1c8M6uwkJlMoPEKb4zA72JvJVgc81zKOf/view?usp=sharing}
}