SU, Chien-Yuan. Investigating the Effectiveness of an Interactive IRF-Based English Grammar Learning System. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 12, n. 11, p. pp. 63–82, 2017. DOI: 10.3991/ijet.v12i11.7036. Disponível em: https://online-journals.org/index.php/i-jet/article/view/7036. Acesso em: 26 apr. 2024.