DING, Lei. Exploration of Key Technologies in a Personalized English Learning System. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 07, p. pp. 85–96, 2018. DOI: 10.3991/ijet.v13i07.8789. Disponível em: https://online-journals.org/index.php/i-jet/article/view/8789. Acesso em: 22 nov. 2024.