Sirait, Rian Mangapul. 2026. “LEGAL PROTECTION FOR THIRD PARTIES DUE TO VIOLATIONS OF ARTICLE 30 OF GOVERNMENT REGULATION NUMBER 24 OF 1997 CONCERNING LAND REGISTRATION”. Algebra : Jurnal Pendidikan, Sosial Dan Sains 6 (1): 139-43. https://doi.org/10.58432/n7ykyy35.