Rudiansyah, Lababa, hermansyah sam. Improving Student Vocabulary Mastery Through Application Duolingo Game At Second Semester Universitas Muhammadiyah Sidenreng Rappang. Macca [Internet]. 2026Oct.1 [cited 2026Oct.24];3(2). Available from: https://journal.adityarifqisam.org/index.php/macca/article/view/323