Duolingo for Vocabulary Mastery: Empowering Students in the Digital Age of Language Learning. ENGLISH JOURNAL OF INDRAGIRI, [S. l.], v. 8, n. 2, p. 382–399, 2024. DOI: 10.61672/eji.v8i2.2767. Disponível em: https://ejournal-fkip.unisi.ac.id/eji/article/view/2767. Acesso em: 20 feb. 2026.