GHUFRON, S. KESALAHAN BERBAHASA SISWA SEKOLAH DASAR DI KABUPATEN LAMONGAN. BASTRA : Jurnal Penelitian Pendidikan Bahasa dan Sastra , [S. l.], v. 4, n. 1, p. 29–38, 2017. Disponível em: http://cebastra.org/ojs/index.php/BASTRA/article/view/66. Acesso em: 9 jul. 2025.