KURNIA, E. D.; WIDYANTORO, A. The Effectiveness of Using Repetition Drill Technique with Duolingo Application to Improve Vocabulary at Seventh Graders of MTs Al-Huda Reban: Efektivitas Penggunaan Teknik Repetition Drill dengan Aplikasi Duolingo untuk Meningkatkan Kosakata pada Siswa Kelas Tujuh MTs Al-Huda Reban. Nusantara Journal of Education and Social Science, [S. l.], v. 1, n. 2, p. 47–54, 2024. DOI: 10.69959/nujess.v1i2.46. Disponível em: https://ejurnal.unukase.ac.id/index.php/nujess/article/view/46. Acesso em: 31 agu. 2026.