Faradiba N, Prianto Y. Enforcement of Government Regulation in Lieu of Law No. 51 of 1960 concerning the Prohibition of Unauthorized Use of Land (Case Study: The Banks of the Sepak Gabus River): Penegakan UU 51 Prp 1960 Atas Penguasaan Tanah Tanpa Hak (Studi Kasus: Bantaran Sungai Sepak Gabus) . acopen [Internet]. 2025 Dec. 11 [cited 2026 Jan. 20];10(2):10.21070/acopen.10.2025.12964. Available from: https://ojs.umsida.ac.id/index.php/acopen/article/view/12964