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Submitted on: 21 March 2003.
Revised on: 13 July 2003.
Accepted on: 03 September 2003.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 26 January 2021.
Revised on: 07 April 2021.
Accepted on: 09 May 2021.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 09 October 2010.
Revised on: 24 November 2010.
Accepted on: 16 December 2010.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
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Submitted on: 14 April 2022.
Revised on: 21 June 2022.
Accepted on: 08 July 2022.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
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Submitted on: 25 September 2022.
Revised on: 24 October 2022.
Accepted on: 14 December 2022.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 12 August 2022.
Revised on: 27 October 2022.
Accepted on: 13 December 2022.
___________________Eurasian Business Review---SPRINGER HEIDELBERG