Sujarwati, I., Sofyan , D., Efendi , M., & Annury, M. N. (2025). Exploring Vocabulary Retention and Student Engagement: A Dive into Gamified vs. Traditional Flipped Classroom. JEELS (Journal of English Education and Linguistics Studies), 12(1), 427–452. https://doi.org/10.30762/jeels.v12i1.4871