BRANDY, Anthony; HIVER, Phil. Developing explicit and implicit L2 knowledge with Duolingo’s input-based features: Case studies of L2 Spanish learning. Studies in Second Language Learning and Teaching, [S. l.], v. 14, n. 4, p. 687–729, 2024. DOI: 10.14746/ssllt.39090. Disponível em: https://pressto.amu.edu.pl/index.php/ssllt/article/view/39090. Acesso em: 18 may. 2026.