@book{117659,
	author = {Sánchez Botero, Clara Helena. and Serrano, Gonzalo,},
	title = {Argumentación y lógica :},
	publisher = {Editorial Universidad Nacional de Colombia,},
	year = {2009.},
	series = {Textos},
	address = {Bogotá :},
	url = {https://elibro.net/ereader/politecnicointernacional/127506}
}