Kepastian Hukum Sertifikat Hak Milik Atas Tanah Bekas Hak Milik Adat yang Penguasaaannya Diklaim oleh Subjek Hukum Lain (Studi Putusan Mahkamah Agung Nomor 1012 K/Pdt/2023) = Legal Certainty of Certificate of Ownership of Land Formerly Customary Ownership, Control of which is Claimed by Other Legal Subjects (Study of Supreme Court Decision Number 1012 K/Pdt/2023)