THE EFFECTIVENESS OF DUOLINGO AS A SUPPLEMENTARY TOOL IN ARABIC VOCABULARY ACQUISITION AMONG EFL LEARNERS IN HIGHER EDUCATION: A QUALITATIVE CASE STUDY. BARAYA : Journal of Arabic and World Languages Education, [S. l.], v. 2, n. 1, p. 42–55, 2026. Disponível em: https://ejournal.stairaya.ac.id/index.php/baraya/article/view/103. Acesso em: 26 oct. 2026.