00702nam a2200205 a 450000500170000008200160001710000060003311000140003924500450005326000250009830000150012369000200013896400250015899700420018399900150022595200610024095200610030195200610036295200730042320251203090454.0  a004.21bLee  d_  aBarry Lee  aIntroducing systems analysis and design.  aDelhi:Galgotiac1979  a2v.c22cm.  aSystem analysis  bENGc100de010fg_  a15728 LIBSC C 15729 C 67138 C 67139 C  c8802d8802  00104070aPUbPUd1998-04-08l0o004.21 Leep15728yBK  00104070aPUbPUd1998-04-08l0o004.21 Leep15729yBK  00104070aPUbPUd1998-04-08l0o004.21 Leep67138yBK  00104070aPUbPUd1998-04-08l0o004.21 Leep67139q1998-07-29yBK