The mobile economy Europe 2022 [documento eletrónico] / ed. GSMA
Interoperability regulations for digital services [documento eletrónico] : impact on competition, innovation and digital sovereignty especially for platform and communication services / Lukas Wiewiorra...[et al.]
Open interfaces and innovation in telecommunications [documento eletrónico] / Marc Bourreau and Wolter Lemstra
The mobile economy 2022 [documento eletrónico] / ed. GSMA
eGovernment benchmark 2022 [documento eletrónico] : synchronising digital governments / European Commission