000 00291nam a2200121Ia 4500
100 _aWetherbe, James C.
250 _a3rd. ed
942 _cBK
245 _aSystems analysis and design
260 _aGalgotia Publications Pvt.Ltd., New Delhi
_c1990
082 _a001.61 Wet
300 _axi,395
999 _c62452
_d62452