00344nam a2200121Ia 4500008004000000020001800040082001700058100004000075245003800115260002600153300001000179650003300189210210b2000   xxu||||| |||| 00| 0 eng d  a81 7446 188 4  a658.403 AROI  aARORA (Ashok) and BHATIA (Akshaya).  aInformation systems for managers.  aNDbExcel Booksc2000  ax,517  aManagers information systems