HE, Ying. Analysis of a Self-learning System of English Flipped Classroom Based on Adaptive Algorithm. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 08, p. pp. 103–116, 2018. DOI: 10.3991/ijet.v13i08.9056. Disponível em: https://online-journals.org/index.php/i-jet/article/view/9056. Acesso em: 29 mar. 2024.