Rosyidah, U. J., Dewanti Laksmi, E., & Anugerahwati, M. (2023). Gamification in Duolingo App on Improving English Listening Proficiency of Junior High School Students. ENGLISH FRANCA : Academic Journal of English Language and Education, 7(1 May), 119–132. https://doi.org/10.29240/ef.v7i1.5377