@book{19306,
	author = {Alzate Florez, Elkyn Gerlein  and Carvajal Romero, Sailys Johana },
	title = {Ventas de calzado on-line en medio de la pandemia Covid-19 / },
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2020.},
	address = {Bogotá (Colombia) :},
	url = {https://drive.google.com/file/d/1wGlx1UpiAsCPbeQaAfZAX7PaZL7RsudQ/view?usp=sharing}
}