Hasan, H., D. Y. P. Sugiharto, and S. Sunawan. “Group Counseling of Cognitive Behavior With Self Instruction Technique On Self Efficacy and Academic Burnout”. Jurnal Bimbingan Konseling, Vol. 8, no. 1, Dec. 2018, pp. 91-96, https://journal.unnes.ac.id/sju/jubk/article/view/27663.