Tinjauan terhadap batal demi hukum suatu jaminan hak tanggungan : studi kasus Putusan Pengadilan Tinggi DKI Jakarta nomor: 308/PDT/2009/PT.DKI = Analysis to the cancellation by law of guarantee of lien : case study final judgment of Jakarta Province Court number 308/PDT/2009/PT.DKI - Fadli Akbar, author (2013)