00726nam a22001457a 4500008004100000020001500041050001700056100002000073245007500093260003600168300003000204500002000234505028600254650004000540111215t        xxu||||| |||| 00| 0 eng d  a0070112509  aHC76.I55.C13  aCallon, Jack D.  aCompetitive advantage through information technology /cJack D. Callon  aNew York:bMcGraw-Hill,cc1996.  axxiv, 372 p.bill.c25cm.  aIncludes index.  aContents: Business and information systems management challenges -- The First of three perspectives: The Business environment -- The Second perspective: The Company environment -- The Third perspective: The Use of information systems -- Major information systems management issues.  aInformation technology-case studies