WULANDARI, Dewi; AYU, Isdiyana Kusuma. LEGAL CERTAINTY OF LAND SALE AND PURCHASE DEED THAT HAS NOT BEEN SIGNED BY PPAT AND LEGAL PROTECTION FOR BUYERS. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 15, n. 3, p. 529–573, 2026. DOI: 10.36526/sosioedukasi.v15i3.9209. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/9209. Acesso em: 5 aug. 2026.