Retnomanisya, Tutut, DYP Sugiharto, and Suharso Suharso. “Mengatasi Perilaku Terisolir Siswa Menggunakan Teknik Assertive Training Pada Siswa Kelas IV”. Indonesian Journal of Guidance and Counseling: Theory and Application 2, no. 2 (June 5, 2013). Accessed December 13, 2024. https://journal.unnes.ac.id/sju/jbk/article/view/3072.