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Submitted on: 31 October 1998.
Revised on: 22 January 1999.
Accepted on: 11 February 1999.
___________________INTERNATIONAL JOURNAL OF TECHNOLOGY MANAGEMENT
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Submitted on: 25 July 2009.
Revised on: 30 October 2009.
Accepted on: 12 November 2009.
___________________INTERNATIONAL JOURNAL OF TECHNOLOGY MANAGEMENT
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