1.
Siswanto H, Astutik Y. Duolingo Application and Vocabulary Scores of Seventh Graders: Pencapaian Aplikasi Duolingo dan Skor Kosakata Siswa Kelas 7. acopen [Internet]. 2026 Feb. 10 [cited 2026 Feb. 28];10(1):10.21070/acopen.10.2025.12475. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/12475