JINJING ZENG; KAILING LUO; YU LU; MINGFEN WANG. An Evaluation Framework for Online Courses Based on Sentiment Analysis Using Machine Learning. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 18, n. 18, p. pp. 4–22, 2023. DOI: 10.3991/ijet.v18i18.42521. Disponível em: https://online-journals.org/index.php/i-jet/article/view/42521. Acesso em: 20 oct. 2024.