Rambe, Saima, and Nurul Dalimunte. “Supervision Policy On Public Services At The Office Of Transportations Of North Sumatra Province”. LEGAL BRIEF 11, no. 3 (August 30, 2022): 1861–1869. Accessed May 23, 2026. https://legal.isha.or.id/index.php/legal/article/view/404.