ZHAO, Xing. Mobile English Teaching System Based on Adaptive Algorithm. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 08, p. pp. 64–77, 2018. DOI: 10.3991/ijet.v13i08.9057. Disponível em: https://online-journals.org/index.php/i-jet/article/view/9057. Acesso em: 23 apr. 2024.