000 00311nam a2200133Ia 4500
008 230430s9999 xx 000 0 und d
100 _aGoel, Sushil
245 0 _aStructured system Analysis & Design
260 _aKarnal
_bNatraj
_c2022
300 _a212
650 _aComputer
650 _aSAD
942 _cBK
999 _c17077
_d17077