Sa’adah, Lailatus, and Nurudducha Nurudducha. “Application of Behavior Contract Group Counseling to Improve Discipline Among High School Students”. Indonesian Journal of Guidance and Counseling Studies 2, no. 2 (September 29, 2025): 95–104. Accessed November 10, 2025. https://ojs.aeducia.org/index.php/ijgcs/article/view/353.