Kurniawan, E., M. Japar, and A. Sutoyo. “Cognitive Behaviour Group Counseling With Cognitive Restructuring and Self-Instruction Techniques to Reduce The Social Anxiety of Public Senior High School 3 Pati”. Jurnal Bimbingan Konseling, Vol. 8, no. 4, Aug. 2019, pp. 151-8, https://journal.unnes.ac.id/sju/jubk/article/view/32583.