@book{17549,
	author = {Garzón Cajamarca, Didier Ricardo and Mancera Rodríguez, Leidy Costanza and   },
	title = {Valulo S.A.S /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2018.},
	address = {Bogotá (Colombia) :},
	edition = {                   },
	url = {https://drive.google.com/open?id=1MPXTJxLFUWDlpvD2m8OQTSgnECXAnMbA}
}