Desafitri RB L, Heliaantoro H. Analysis of Natural Resources Contracts Related to Article 33 Paragraph 2 and Paragraph 3 of the 1945 Constitution. SJAM [Internet]. 2024 Sep. 30 [cited 2025 Apr. 4];2(2):302-11. Available from: https://research.e-siber.org/SJAM/article/view/216