000 00279nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a658.502 L477.1
100 _aLEE
245 0 _aINTRODUCING SYSTEMS ANALYSIS AND DESIGN VOL.I
260 _aNEW DELHI
_bGalgotia
942 _cBB
_2DDC
999 _c5930
_d5930