HUANG, Hongbo. Design and Implementation of a College English Listening Learning System Based on Android Platform. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 07, p. pp. 43–56, 2018. DOI: 10.3991/ijet.v13i07.8779. Disponível em: https://online-journals.org/index.php/i-jet/article/view/8779. Acesso em: 25 apr. 2024.