000 00261nam a2200097Ia 4500
008 220601s9999 xx 000 0 eng d
100 _aDhingra,
245 0 _aIntroduction to Information Techology
260 _aNew Delhi
_bGALGOTIA Publications
942 _2ddc
_cBTECH
999 _c3707
_d3707