Anggraini Masnur, A.D., Wibowo, M.E. and Purwanto, E. 2022. The Effectiveness of CBT Group Counseling with Self-Instruction Technique to Improve Students’ Self-Efficacy. Jurnal Bimbingan Konseling. 11, 1 (Apr. 2022), 23-29. DOI:https://doi.org/10.15294/jubk.v11i1.55698.