Optimization of the Performance of the Criminal Research Unit in Handling Online Fraud Criminal Acts to Improve Case Settlement in the Jurisdiction of the Madiun City Police. TANGGON [Internet]. 2024 Oct. 31 [cited 2026 Oct. 15];13(2):85-94. Available from: https://journal.akpol.ac.id/index.php/tanggonkosala/article/view/1682