00306nam a2200121Ia 4500008004100000041000800041082001500049100002200064245003000086250001400116260003700130300001700167240624s9999    xx            000 0 und d  aeng  a658.84 RAY  aRAYPORT JEFFREY F  aINTRODUCTION TO ECOMMERCE  a(2nd ed.)  c2003aNew DelhibTata McGrawhill  axxvii, : 516