Pramesti, R. D., Padmadewi, N. N. and Wahyuni, L. G. E. (2025) “Duolingo: A Qualitative Study on Vocabulary Acquisition”, The Art of Teaching English as a Foreign Language (TATEFL), 6(1), pp. 41–52. doi: 10.36663/tatefl.v6i1.942.