DE ARAÚJO, P. A. M.; EDDINE, E. A. C. THE REVIEWS OF USERS OF THE DUOLINGO APPLICATION: USABILITY AND OBJECTIVITY IN THE LEARNING PROCESS. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 8, n. 9, p. 5–15, 2020. DOI: 10.29121/granthaalayah.v8.i9.2020.1326. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG20_B09_3715. Acesso em: 5 may. 2024.