@book{6632,
	author = {United for Smart Sustainable Cities and Unión Internacional de Telecomunicaciones},
	title = {Simple ways to be smart},
	publisher = {[ITU],},
	year = {2021},
	address = {Geneva :},
	url = {https://www.itu.int/en/myitu/Publications/2021/06/10/13/48/Simple-ways-to-be-smart},
}