000 00303nam a22001337a 4500
020 _a9788122423600
100 _aAggarwal K K
245 _aSoftware engineering
250 _a3
260 _aNew Delhi
_bNew Age International Publishers
_c2018
300 _a507
700 _aYogesh Singh
942 _cBK
999 _c59680
_d59680