ZHENG, Zhao; NA, Kew Si. A Data-Driven Emotion Model for English Learners Based on Machine Learning. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 16, n. 08, p. pp. 34–46, 2021. DOI: 10.3991/ijet.v16i08.22127. Disponível em: https://online-journals.org/index.php/i-jet/article/view/22127. Acesso em: 5 may. 2024.