Performance and educational training in digital competences in non-presential classes during the covid-19 pandemic. SciELO Preprints, 2020. DOI: 10.1590/SciELOPreprints.778. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/778. Acesso em: 12 nov. 2026.