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040 _aMAIN
041 _aEnglish
082 _a003.54
100 _aMadan, Sushila
245 0 _aInformation technology
_bInformation technology._4th Ed, New Delhi : Taxmann Allied Services, 2007
_cSushila Madan
250 _a4th
260 _c2007
_bTaxmann Allied Services
_aNew Delhi
942 _cBK
999 _c51452
_d51452