Digital trends in Asia and the Pacific 2021 [documento eletrónico] : information and communication technology trends and developments in the Asia-Pacific region, 2017-2020 / International Telecommunication Union
The impact of policies, regulation, and institutions on ICT sector performance [documento eletrónico] / International Telecommunication Union
Digital trends in Europe 2021 [documento eletrónico] : ICT trends and developments in Europe, 2017-2020 / International Telecommunication Union