IDRIS, Saparripin. Penelitian daam Bahasa Asing. Hikmah, [S. l.], v. 15, n. 1, p. 47–54, 2020. Disponível em: https://e-jurnal.staisumatera-medan.ac.id/index.php/hikmah/article/view/23. Acesso em: 28 sep. 2025.