Handbook on small satellites [documento eletrónico] / International Telecommunication Union
Broadband coverage in Europe 2022 [documento eletrónico] : mapping progress towards the coverage objectives of the digital decade / European Commission
OECD handbook on measuring the space economy [documento eletrónico] / Organisation for Economic co-Operation and Development
Broadband coverage in Europe 2021 [documento eletrónico] : mapping progress towards the coverage objectives of the digital decade / European Commission