Ulyani, M., Khotmi, N., Fitri, E. S., Mardani, R., Hartiani, H., & Mandala, Y. (2026). Enhancing Adolescents’ Knowledge of Delinquency and Risky Behaviors through Preventive Education: A Community-Based Study in Muhammadiyah Boarding School Selong . Sinesia : Journal of Community Service, 3(1), 53–61. https://doi.org/10.69836/sinesia-jcs.v3i1.813