SUKMANINGSIH, N. K. I. A.; KUSUMA, P. R. A. .; PRATAMA, I. P. A. . Urgency of Developing New Regulatory Norms on Subsurface Ownership and Vertical Depth Boundaries in the National Agrarian Law System. Soshum: Jurnal Sosial dan Humaniora, [S. l.], v. 16, n. 2, p. 136–144, 2026. DOI: 10.31940/soshum.v16i2.136-144. Disponível em: https://ojs2.pnb.ac.id/index.php/SOSHUM/article/view/3146. Acesso em: 6 aug. 2026.