BHATTACHARYA, S; CHOWDHURY, S; ROY, S. An Online Recommender Agent for Boosting the Confidence of an e-learner. International Journal of Computer Sciences and Engineering, [S. l.], v. 2, n. 12, p. 17–20, 2014. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/316. Acesso em: 2 feb. 2026.