Silitonga, Christopher. “Optimization of Samapta Unit Patrols to Prevent the Criminal Act of Theft in the Jurisdiction of Sragen Polres”. Advances in Police Science Research Journal 8, no. 5 (September 11, 2024). Accessed November 24, 2024. http://journal.akpol.ac.id/index.php/apsrj/article/view/726.