WADDINGTON, R. J.; NAM, S.; LONN, S.; TEASLEY, S. D. Improving Early Warning Systems with Categorized Course Resource Usage. Journal of Learning Analytics, [S. l.], v. 3, n. 3, p. 263-290, 2016. DOI: 10.18608/jla.2016.33.13. Disponível em: https://www.learning-analytics.info/index.php/JLA/article/view/4674. Acesso em: 22 apr. 2026.