Ardhia RN. Implementation of Radio Broadcasting by the Dikyasa Unit in Preventing Traffic Violations in the Jurisdiction of the Sumedang Police. PSR [Internet]. 2024Oct.19 [cited 2025Mar.16];6(1). Available from: http://arneta.akpol.ac.id:443/10.23.97.227/index.php/psr/article/view/386