Valacich,JosephS,
Essentials of systems analysis and design / Joseph S Valacich, Joey F George, Jeffrey A Hoffer - 3rded - UpperSaddleRiver,NJ:PeaRedSportonPrenticeHall,c2006 - xxviii,451p:colill;28cm
0132017563/9780132017565
Systemdesign Systemanalysis
00421VAL
Essentials of systems analysis and design / Joseph S Valacich, Joey F George, Jeffrey A Hoffer - 3rded - UpperSaddleRiver,NJ:PeaRedSportonPrenticeHall,c2006 - xxviii,451p:colill;28cm
0132017563/9780132017565
Systemdesign Systemanalysis
00421VAL