00573     2200193   4500001002100000005001500021020001800036035002000054082001000074084001600084100002900100245009700129250001000226260004100236300003400277650002000311700002000331990002800351INLIS00000000000657420250226100804  a979-3721-93-6  a0010-0225000026  a005.7  a005.7 Bar b0 aBarkatullah, Abdul Halim1 aBisnis e-Commerce :bstudi sistem keamanan dan hukum di Indonesia /cAbdul Halim Barkatullah  aCet.1  aYogyakarta :bPustaka Pelajar,c2005  ax, 286 hlm. :bilus. ;c21 cm 4aSistem Keamanan0 aPrasetyo, Teguh  ac.1(9112-14/STPP/ha/07)