00519nam a22001217a 4500020002200000082001800022100004200040245003600082260003200118300004200150500002100192650018400213  a007111629 X (pbk)  a658.4038bOBR  aO'Brien, James A.aGeorge M. Marakas   aManagement information systems   aBoston bMcGraw-Hill c2006  axxxi, 592 p.b: ill. (col.)c; 27 cm.  aIndex Included.   aInformation management vInformation technologies vTelecommunications and networks vData resource vElectronic commerce systems vBusiness systems vManagement challenges vFMS