“Kepastian Hukum Penerapan Pajak Air Permukaan (PAP) Di Pemerintahan Daerah Sumatera Utara”. Journal of Legal Research 4, no. 2 (June 23, 2022): 479–492. Accessed October 26, 2026. https://journal.uinjkt.ac.id/index.php/jlr/article/view/26739.