Sukmaningsih, N. K. I. A., Kusuma, P. R. A. ., & Pratama, I. P. A. . (2026). 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(2), 136–144. https://doi.org/10.31940/soshum.v16i2.136-144