Tampubolon, Felix. “Optimization of SIM C Practice Tests As a Requirement for Two-Wheel Driving to Minimize the Rate of Accidents at Pekalongan Police”. Advances in Police Science Research Journal 5, no. 9 (September 14, 2024). Accessed November 26, 2024. http://journal.akpol.ac.id/index.php/apsrj/article/view/1108.