BAGRIYANIK, S. Personal learning environments: A systematic literature review based on study keywords using thematic analysis. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 4, n. 4, p. 122–130, 2017. DOI: 10.18844/prosoc.v4i4.2603. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/2603. Acesso em: 29 apr. 2024.