Duolingo Application in Improving Students’ English Vocabulary Mastery. Bilingual : Jurnal Pendidikan Bahasa Inggris, [S. l.], v. 7, n. 1, p. 34 – 39, 2025. DOI: 10.36985/dhw6qt64. Disponível em: https://jurnal.usi.ac.id/index.php/jbl/article/view/1660. Acesso em: 26 jun. 2025.