Bentuk perlindungan terhadap pembeli yang beritikad baik atas akta jual beli tanah yang cacat hukum (analisis Putusan Mahkamah Agung tanggal 08 Oktober 2018 Nomor 1270K/Pdt/2018) = A Form of protection for buyers who have good faith in the sales and purchase of land deed that is legal defect (analysis of Supreme Court Decision on Case Number 2170K/PDT/2018)