Self-directed Use of Digital Devices for Out-of-class English Learning. International Journal of Education in Mathematics, Science and Technology, [S. l.], v. 10, n. 1, p. 257–271, 2021. DOI: 10.46328/ijemst.2245. Disponível em: https://ijemst.com/index.php/ijemst/article/view/521. Acesso em: 29 jun. 2025.