Cetic.br. (2024). Executive Summary - Survey on the Internet service provider sector in Brazil: ICT Providers 2020.
Lua i Stíl Chicago (17ú heag.)Cetic.br. Executive Summary - Survey on the Internet Service Provider Sector in Brazil: ICT Providers 2020. 2024.
Lua MLA (8ú heag.)Cetic.br. Executive Summary - Survey on the Internet Service Provider Sector in Brazil: ICT Providers 2020. 2024.
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