Submitted on: 18 February 2004.
Revised on: 28 May 2004.
Accepted on: 22 June 2004.
___________________European Business Review---EMERALD GROUP PUBLISHING LTD
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Submitted on: 07 September 2017.
Revised on: 28 December 2017.
Accepted on: 16 January 2018.
___________________European Business Review---EMERALD GROUP PUBLISHING LTD
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Submitted on: 10 October 2008.
Revised on: 11 November 2008.
Accepted on: 13 December 2008.
___________________European Business Review---EMERALD GROUP PUBLISHING LTD
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