ERGP report on core indicators for monitoring the European postal market [documento eletrónico] : 2024 / European Regulators Group for Postal Services
30th BEREC international roaming benchmark data and monitoring report [documento eletrónico] / Body of European Regulators for Electronics Communications
Mobile and fixed broadband prices in Europe 2022 [documento eletrónico] / European Commission
O sector das comunicações 2023 [documento eletrónico] / Autoridade Nacional de Comunicações