Hutapea RJ. Four-Wheel Patrol Efforts by the Turjawali Unit of the Samapta Unit to Prevent Crimes of Attacks in the Legal Area of ​​the Nganjuk Police. PSR [Internet]. 2024Oct.19 [cited 2025Mar.16];8(10). Available from: http://arneta.akpol.ac.id:443/10.23.97.227/index.php/psr/article/view/1391