SARAGIH, Kerin Theresa; NAELOFARIA, Salmah. Pengaruh Metode Pembelajaran Drill Terhadap Kemampuan Menulis Surat Resmi Siswa Kelas VII SMP Negeri 5 Pematangsiantar . Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 6, p. 2016–2025, 2024. DOI: 10.31004/innovative.v4i6.10484. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/10484. Acesso em: 16 jul. 2026.