KHOSRAVI, H.; KITTO, K.; WILLIAMS, J. J. RiPPLE: A Crowdsourced Adaptive Platform for Recommendation of Learning Activities. Journal of Learning Analytics, [S. l.], v. 6, n. 3, p. 91–105, 2019. DOI: 10.18608/jla.2019.63.12. Disponível em: https://www.learning-analytics.info/index.php/JLA/article/view/6373. Acesso em: 30 apr. 2026.