Perlindungan hukum bagi kreditor (bank) atas batalnya hak atas tanah yang dijadikan obyek hak tanggungan : analisis Putusan Pengadilan Tata Usaha Negara Jakarta no. 017/G.TUN/1998/PTUN-JKT jo. Putusan Pengadilan Tinggi Tata Usaha Negara Jakarta no. 122/B/1999/PT.TUN.JKT = Legal protection for creditor (bank) for the cancellation of the land right which made security right on land object : decision analysis of Jakarta State Administrative Court no. 017/G.TUN/1998/PTUN.JKT jo. Jakarta State Administrative High Court no. 122/B/1999/PT.TUN.JKT - Muhamad Fatan Fahir, author (2013)