TÜREL, Vehbi. Design of Feedback in Interactive Multimedia Language Learning Environments. Linguistik Online, Bern, v. 54, n. 4, 2012. DOI: 10.13092/lo.54.281. Disponível em: https://bop.unibe.ch/linguistik-online/article/view/6325. Acesso em: 15 may. 2025.