00493nam a2200169Ia 4500008004100000041000800041082001300049100000800062245004300070260002300113300000800136365000800144700000800152906000900160999001900169952013500188230718s9999    xx            000 0 und d  aeng  a003bLEE  aLee  aIntroducing System Analysis And Design  c1978bGalgotia Pub  a556  cRs.  aLee  cETC   c298899d298899  00104070aCCEPbCCEPd1999-04-09eMasurkar EnterprisesfETC l0o003pCCEP-BK-10105r2023-07-18 00:00:00w2023-07-18yBKz010105