Submitted on: 25 March 2002.
Revised on: 31 May 2002.
Accepted on: 24 June 2002.
___________________American Journal of Business---EMERALD GROUP PUBLISHING LTD
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Submitted on: 13 October 2008.
Revised on: 08 December 2008.
Accepted on: 02 February 2009.
___________________American Journal of Business---EMERALD GROUP PUBLISHING LTD
Submitted on: 18 December 1999.
Revised on: 01 February 2000.
Accepted on: 18 February 2000.
___________________American Journal of Business---EMERALD GROUP PUBLISHING LTD
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