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Submitted on: 29 December 2008.
Revised on: 22 January 2009.
Accepted on: 19 February 2009.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
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Submitted on: 03 February 1999.
Revised on: 06 March 1999.
Accepted on: 27 March 1999.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 25 February 2004.
Revised on: 24 March 2004.
Accepted on: 27 April 2004.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 26 January 2003.
Revised on: 07 March 2003.
Accepted on: 22 April 2003.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
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Submitted on: 03 August 2022.
Revised on: 13 September 2022.
Accepted on: 15 October 2022.
___________________Eurasian Business Review---SPRINGER HEIDELBERG