Setiawan, Hari Harjanto. “PENDEKATAN SISTEMIK MENANGANI PENYIMPANGAN PERILAKU ANAK”. Sosio Informa 2, no. 1 (April 20, 2016). Accessed September 19, 2024. https://ejournal.poltekesos.ac.id/index.php/Sosioinforma/article/view/132.