Sembiring DC, Isnaini I, Pinem S. The Impact of the Implementation of Law No. 22 of 2009 on the Ownership of Individual Vehicle Driver’s License at the Langkat Police. JPRSP [Internet]. 2025Apr.25 [cited 2026Feb.10];5(2):359-68. Available from: https://psppjournals.org/index.php/jprsp/article/view/540