Warmansyah, J., Puja Diandra, Enji Novita Sari, Adam Mudinillah, Suswati Hendriani and Mazlina Che Mustafa (2024) “Enhancing Early Childhood English Vocabulary: Teachers’ Perspectives on Optimizing the Duolingo Application ”, Journal of English Education and Teaching, 8(1), pp. 33–45. doi: 10.33369/jeet.8.1.33-45.