Purwaningsih R, Christiana R, Kadafi A. The Effectiveness of Group Counseling Using Behavioral Contracting and Reinforcement Techniques to Enhance Students’ Learning Interest. IJEVSS [Internet]. 2026May20 [cited 2026Nov.4];5(02):3467-74. Available from: https://e-journal.citakonsultindo.or.id/index.php/IJEVSS/article/view/5050