Cetic.br. (2020). Executive Summary - Survey on the use of information and communication technologies in Brazilian schools: ICT in Education 2019.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Schools: ICT in Education 2019. 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Schools: ICT in Education 2019. 2020.
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