000 00321nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a4.1
_bSIN
100 _aSinghal Alok
245 0 _aPersonal computer software
260 _aNew Delhi :
_bExcel Books,
_c2021.
350 _a285
650 _aManagement
999 _c166984
_d166984