Maulana, M. S., Prayogi, A., & Pratiwi, D. (2026). AI-DRIVEN VOCABULARY PERSONALIZATION: FILLING THE GAP IN TRANSPARENCY AND LEARNER TRUST IN ADAPTIVE RECOMMENDER SYSTEMS FOR LANGUAGE LEARNING. Mandailing Journal of Education and Sciences, 1(2), 62-67. https://doi.org/10.66698/mjoes.v1i2.9