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020 _a9788131506837
040 _aUPES LIBRARY
_bEnglish
082 _a004.65
_bELA
100 _aElahi, Ata
_92312
245 _aData, network and internet communication technology
260 _aNew Delhi:
_bCengage Learning,
_c2009
300 _a570p.
650 _aComputer science
_956443
700 _aElahi, Mehran
_92313
942 _cBK