5G observatory quarterly report [documento eletrónico] / European Commission
Digital security and resilience in critical infrastructure and essential services [documento eletrónico] / Organisation for Economic co-Operation and Development
The operators and their future [documento eletrónico] : the state of play and emerging business models / Organisation for Economic co-Operation and Development
Report on the state of the telecommunications market in Poland in 2018 [documento electrónico] / Office of Electronic Communications
ICT infrastructure business planning toolkit [documento eletrónico] / International Telecommunication Union