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020 _a81-203-2241-x
041 _aeng
082 _b4456
100 _aRusf . Roland T. Kannan, PK
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245 _aE.Service, New Directions Theory and Practice
260 _aNew Delhi
_bAcademic Faundation
300 _a322
650 _aInformation Technology
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942 _cBK