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020 _a9789353942564
041 _aENG
082 _a5.82
100 _aWilliam S.
245 0 _aCryptography and network security
260 _aIndia
260 _bPearson
260 _c2022
365 _b224
650 _aCOMPUTER_SCIENCE_ENGINEERING
942 _cEB
999 _c13347
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