ZHOU, Zhenfang. A Resource Recommendation Algorithm for Online English Learning Systems Based on Learning Ability Evaluation. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 16, n. 09, p. pp. 219–234, 2021. DOI: 10.3991/ijet.v16i09.22745. Disponível em: https://online-journals.org/index.php/i-jet/article/view/22745. Acesso em: 26 apr. 2024.