Perlindungan hukum nasabah kartu kredit terkait definisi rahasia bank menurut undang-undang nomor 10 tahun 1998 tentang perubahan atas undang-undang nomor 7 tahun 1992 tentang perbankan = Legal protection of credit card related clients definition of bank secrecy according to act number 10 year 1998 concerning amendment to act number 7 of 1992 concerning banking