Cetic.br. (2021). Executive Summary - Survey on the use of information and communication technologies in Brazilian Schools: ICT in Education 2020.
Lua i Stíl Chicago (17ú heag.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Schools: ICT in Education 2020. 2021.
Lua MLA (9ú heag.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Schools: ICT in Education 2020. 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.