Sirait, R.M. 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 (Jan. 2026), 139–143. DOI:https://doi.org/10.58432/n7ykyy35.