@book{5492,
	author = {IAB Spain},
	title = {Estudio Anual de eCommerce 2019},
	publisher = {IAB Spain, },
	year = {2019},
	address = {Madrid :},
	url = {https://iabspain.es/wp-content/uploads/2019/07/estudio-ecommerce-iab-2019_vcorta.pdf},
}