Purnomo, Hari Cahyo. “Optimization of the Police Intelligence Unit Performance in Early Detection to Prevent Conflicts Between Pencak Silat Organizations in the Karanganyar Police Region”. Advances in Police Science Research Journal 5, no. 2 (September 14, 2024). Accessed November 22, 2024. http://journal.akpol.ac.id/index.php/apsrj/article/view/822.