Best-practice Language Learning Online: A State-of-the-Art Review References. Otago German Studies, [S. l.], v. 20, 2017. DOI: 10.11157/ogs-vol20id283. Disponível em: https://otagogermanstudies.otago.ac.nz/ogs/article/view/283. Acesso em: 23 jun. 2025.