Syah, Moch. Irwan, Ahmad Hammam Abdurrahman, and Muhammad Jamaluddin. 2025. “The Role of Token Economy in Reducing Procrastination Among Active Organizational Students”. Jurnal Psikologi Teori Dan Terapan 16 (02):160-71. https://doi.org/10.26740/jptt.v16n02.p160-171.