00493nam a2200133Ia 4500001000500000005001700005008004100022020001500063100002300078245011100101260009700212300003200309650001800341969720261006004211.0120911s9999    xx            000 0 und d  a0130183733  aValacich, Joseph S  aEssentials Essentials of system analysis & design / Joseph S. Valacich, Joey F. George , Jeffrey A. Hoffer  bUpper Saddle River, NJ : Prentice Hall, 2001.aUpper Saddle River, NJ : Prentice Hall, 2001.  axxiv, 423 p. : ill. ; 27 cm  aSystem design