WULANDARI, W. HUBUNGAN KEHARMONISAN KELUARGA TERHADAP PERILAKU NEGATIF MURID SEKOLAH DASAR TEOLOGI KRISTEN PELANGI KRISTUS SURABAYA. Aletheia Christian Educators Journal, [S. l.], v. 2, n. 2, p. 164–170, 2021. DOI: 10.9744/aletheia.2.2.164-170. Disponível em: https://aletheia.petra.ac.id/index.php/aletheia/article/view/132. Acesso em: 6 jun. 2026.