Lubis, L. J., S. Lubis, and E. Erlina. “ANALYSIS OF THE EFFECTIVENESS OF SERVICES ON MOTOR VEHICLE TAX COLLECTION IN THE REGIONAL REVENUE MANAGEMENT UNIT OF THE SOUTH MEDAN ONE-STOP INTEGRATED ADMINISTRATION SYSTEM (SAMSAT)”. Jurnal Ilmiah Global Education, vol. 4, no. 3, Sept. 2023, pp. 1979-85, doi:10.55681/jige.v4i3.1296.