Leondy, Farrel. “Patrol Effectiveness of the Karanganyar Polres Samapta Unit in the Framework of Realizing Harkamtibmas”. Advances in Police Science Research Journal 4, no. 5 (September 13, 2024). Accessed November 22, 2024. http://journal.akpol.ac.id/index.php/apsrj/article/view/1001.