SUDRAJAT, Ajat. MODEL PEMBENTUKAN KULTUR AKHLAK MULIA SISWA SEKOLAH MENENGAH PERTAMA DI INDONESIA. Jurnal Kependidikan: Penelitian Inovasi Pembelajaran, Yogyakarta, Indonesia, v. 40, n. 1, 2011. DOI: 10.21831/jk.v40i1.513. Disponível em: https://journal.uny.ac.id/index.php/jk/article/view/513. Acesso em: 16 oct. 2025.