Library and Information Service >
2013 >Issue 08: 17 - 21,39
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Received date: 2012-10-26
Revised date: 2013-04-05
Online published: 2013-04-20
Supported by
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Zhao Yaxin . null[J]. Library and Information Service, 2013 , (08) : 17 -21,39 . DOI: 10.7536/j.issn.0252-3116.2013.08.003
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