YUNIAR YUNIAR; SYAWAL SYAWAL; HIJRAH HIJRAH. The Effectiveness of AI-Based Application Duolingo in Enhancing Students’ Vocabulary Mastery among Indonesian EFL Learners. Sintaksis : Publikasi Para ahli Bahasa dan Sastra Inggris, [S. l.], v. 4, n. 1, p. 30–41, 2026. DOI: 10.61132/sintaksis.v4i1.2463. Disponível em: https://journal.aspirasi.or.id/index.php/sintaksis/article/view/2463. Acesso em: 6 mar. 2026.