Khoiriyah Z, Puji Sugiharto DY, Japar M. The Effectiveness of Group Counseling with Self-instruction and Cognitive Restructuring Techniques to Improve Hardiness. JUBK [Internet]. 30Aug.2020 [cited 4Dec.2024];9(3):152-7. Available from: https://journal.unnes.ac.id/sju/jubk/article/view/43118