Ulyani, Maya, et al. “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, vol. 3, no. 1, May 2026, pp. 53-61, doi:10.69836/sinesia-jcs.v3i1.813.