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Submitted on: 28 June 2008.
Revised on: 24 September 2008.
Accepted on: 07 October 2008.
___________________International Food and Agribusiness Management Review
Submitted on: 02 November 2000.
Revised on: 25 December 2000.
Accepted on: 28 January 2001.
___________________International Food and Agribusiness Management Review
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