Kepastian Hukum Perjanjian Penanggungan Pribadi (Borgtocht) secara di bawah tangan terkait Harta Bersama Perkawinan (Studi Putusan Pengadilan Tinggi Samarinda Nomor 173/Pdt/2020/Pt Smr) = Legal Certainity Of Personal Guarantee (Borgtocht) In Private Deed Regarding Marital Property (Study Of Samarinda High Court Decision Number 173/Pdt/2020/PT.SMR)