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020 _a0-07-049919-5
040 _aLIS CUI Lahore
_cAACR-II/RDA
082 _a621.382 HIL-T
100 _aHill Associates
245 0 _aTelecommunications
_bA Beginner's Guide
260 _aNew Delhi
_bMcGraw Hill
264 _c0
300 _aSoft Binding
_bxviii 518
365 _b430
_cRs.
546 _aEnglish
650 _xTelecommunications
852 _pLHR 2799
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