Cetic.br. (2022). Executive Summary - Survey on the use of Information and communication technologies in brazilian enterprises: ICT Enterprises 2021.
Παραπομπή σε μορφή Chicago (17η εκδ.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Enterprises: ICT Enterprises 2021. 2022.
Παραπομπή σε μορφή MLA (9th εκδ.)Cetic.br. Executive Summary - Survey on the Use of Information and Communication Technologies in Brazilian Enterprises: ICT Enterprises 2021. 2022.
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