00414nam a2200145Ia 4500008004100000020001800041041000800059082001600067100005900083245004000142250000600182260003900188300001200227650002900239210716s2009    xx            000 0 und d  a9788131726859  aeng  a004.21 HOFJ  aHoffer, Jeffrey A; George, Joey F; Valacich, Joseph S.  aModern systems analysis and design.  a5  aNew DelhibPearson Educationc2009  axxx,554  aSystem Analysis & Design