Riyandi, Muhammad, and Mhd. Yadi Harahap. 2026. “The Legal Force of Riau Governor’s Decree No. Kpts.482.A/XI/1987 on State Land Possession Under Government Regulation No. 20 of 2021: A Study of Decision No. 55/Pdt.G/2023/PN Rhl”. LEGAL BRIEF 15 (3):392-402. https://doi.org/10.35335/legal.v15i3.1662.