00430nam a2200145Ia 4500008004100000020001500041041000800056082001600064100005700080245004700137250000600184260005200190300001300242650002900255210716s2003    xx            000 0 und d  a8120323122  aeng  a004.21 VALJ  aValacich, Joseph S;George, Joey F;Hoffer, Jeffrey A.  aEssentials of systems analysis and design.  a1  aNew DelhibPrentice Hall of India PVt Ltdc2003  axxvi,460  aSystem Analysis & Design