Sirait, Rian Mangapul. “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, vol. 6, no. 1, Jan. 2026, pp. 139-43, https://doi.org/10.58432/n7ykyy35.