Sukmaningsih, Ni Komang Irma Adi, Putu Riski Ananda Kusuma, and I Putu Andika Pratama. “Urgency of Developing New Regulatory Norms on Subsurface Ownership and Vertical Depth Boundaries in the National Agrarian Law System”. Soshum: Jurnal Sosial dan Humaniora 16, no. 2 (July 31, 2026): 136–144. Accessed September 15, 2026. https://spafajournal.org/index.php/SOSHUM/article/view/3146.