000 00247nam a2200109Ia 4500
020 _a8175152591
082 _a005.1
100 _aWHIHEN, JELTREY
245 _aSYSTEM ANALYSIS AND DESIGN METHODS
260 _aNEW DELHI
_b GALGOTIA
_c1998
942 _cBK
999 _c7439
_d7439