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http://reply.papertrans.cn/2/126/12572/12572-32.png
Submitted on: 10 January 2013.
Revised on: 21 February 2013.
Accepted on: 27 March 2013.
___________________Information Resources Management Journal
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Submitted on: 24 September 2002.
Revised on: 17 October 2002.
Accepted on: 14 November 2002.
___________________Information Resources Management Journal