@book{5604,
	author = {Observatorio Cetelem},
	title = {Smart Consumer, el consumidor español conecta con la compra inteligente},
	publisher = {Cetelem,},
	year = {2019},
	series = {El Observatorio Cetelem eCommerce},
	address = {Madrid :},
	url = {https://elobservatoriocetelem.es/wp-content/uploads/Informes/observatorio-cetelem-ecommerce-2019.pdf},
}