@book{59040,
	author = {Gutiérrez Torres, Daniel,},
	title = {Comercio electrónico :},
	publisher = {Ediciones UNAULA,},
	year = {2017.},
	address = {Medellín, Colombia :},
	url = {https://elibro.net/ereader/politecnicointernacional/164536}
}