BATMANLUSI, A.; TUERAH, I. J. C. .; RORINTULUS, O. A. . THE USE OF DUOLINGO TO IMPROVE STUDENTS’ VOCABULARY AT SMP NEGERI 8 SATU ATAP TONDANO . JoTELL : Journal of Teaching English, Linguistics, and Literature, [S. l.], v. 3, n. 5, p. 542-552, 2024. DOI: 10.36582/jotell.v3i5.9167. Disponível em: https://ejurnal.unima.ac.id/index.php/jotell/article/view/9167. Acesso em: 22 dec. 2024.