000 00339nam a2200169Ia 4500
100 _aMadan, Sushila
080 _a001.535
080 _bMad/
526 _dTB
526 _aPG
366 _f25%
942 _cBK
245 _aInformation technology 4th ed.
260 _aTaxmann
_bNew Delhi
_c2015
300 _aI-24,479
546 _aE
999 _c55717
_d55717