Umi Mujiarni, Sabarun, & Hesti Widiastuty. (2024). Duolingo for Vocabulary Mastery: Empowering Students in the Digital Age of Language Learning. EJI (English Journal of Indragiri) : Studies in Education, Literature, and Linguistics, 8(2), 382–399. https://doi.org/10.61672/eji.v8i2.2767