Kedudukan personal guarantor yang telah melepaskan hak istimewanya dalam proses kepailitan ( studi kasus: putusan mahkamah agung nomor 868/k/pdt/sus/2010) = The position of personal guarantor who has discharged the privileges in the process of bankruptcy ( case study: supreme court decision no. 868/k/pdt/sus/2010) / Claudia Anjani Zain