Peran dan Pertanggungjawaban Notaris Atas Akta Pengikatan Jual Beli dan Kuasa Menjual yang Dibuat sebagai Jaminan Utang Piutang (Studi Putusan Pengadilan Negeri Mataram Nomor 89/Pdt.G/2023/PN Mtr) = The Role and Responsibilities of The Notary for The Deed of Sale Purchase Binding Agreement and Sale Power of Attorney Made as Collateral for Debt and Receivable (Study of Mataram District Court Decisions Number 89/Pdt.G/2023/PN Mtr)