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020 _a053498231X
082 _a650.02854 SIL
100 _aSilver, Gerald A.
245 _aData communications for business, 2nd ed. / Gerald A. Silver, Myrna L. Silver.
250 _a2E
260 _aBoston : Boyd & Fraser Pub. Co., C1991.
650 _aElectronic commerce.
999 _c15516
_d15516
952 _w2012-09-11
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