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_aUPES LIBRARY _bEnglish |
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_a001.642 _bIBM |
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_aInternational Business Machine Corporation _98941 |
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_aIBM _98824 |
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_aFundamental concepts of telecom business _b: TC01SG01 |
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_aNew Delhi _bIBM _cJuly 2013 |
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_aTelecommunication _98947 |
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_aData communication _96297 |
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_aPSTN _98948 |
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_aTelecom business management _98949 |
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