00625cam a22002172  4500001001100000005001700011008004100028020001700069040001500086100003400101245007800135250001200213260003500225300001800260650003700278650004800315700003500363852000300398852000300401852000300404000001918920151021151131.0101019s         xx           000 0 eng d  a007128043x :  aKABUcKABU1 aO'Brien, James A.@000014830910aManagement information systems /cJames A. O'Brien and George M. Marakas.  a9th ed.  aBoston :bMcGraw- Hill,c2009.  axxxii, 659 p. 0aElectronic commerce.@0000148142 0aManagement information systems.@00001482091 aMarakas, George M.@00001505221 1 1