Wulandari, Dewi, and Isdiyana Kusuma Ayu. 2026. “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 15 (3):529-73. https://doi.org/10.36526/sosioedukasi.v15i3.9209.