@book{6407,
	author = {Unión Internacional de Telecomunicaciones and Alliance for Affordable Internet (A4AI)},
	title = {The affordability of ICT services 2020 },
	publisher = {ITU, },
	year = {2021},
	address = {Geneva :},
	url = {https://www.itu.int/en/ITU-D/Statistics/Documents/publications/prices2020/ITU_A4AI_Price_Briefing_2020.pdf},
}