00348nam a2200133Ia 4500008004100000041000800041082001600049100001900065245003300084250000600117260005000123300001200173650002900185210716s1987    xx            000 0 und d  aeng  a004.21 AWAE  aAwad, Elias M.  aSystems analysis and design.  a1  aNew DelhibGalgotia Publication Pvt Ltdc1987  axiv,524  aSystem Analysis & Design