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Submitted on: 23 July 2009.
Revised on: 12 August 2009.
Accepted on: 14 September 2009.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
Submitted on: 23 August 2011.
Revised on: 10 November 2011.
Accepted on: 08 January 2012.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
Submitted on: 20 August 2009.
Revised on: 02 November 2009.
Accepted on: 22 December 2009.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
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Submitted on: 04 November 2007.
Revised on: 12 January 2008.
Accepted on: 15 February 2008.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
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Submitted on: 20 May 2024.
Revised on: 31 July 2024.
Accepted on: 16 September 2024.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC
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Submitted on: 09 January 2003.
Revised on: 21 March 2003.
Accepted on: 05 May 2003.
___________________E & M Ekonomie a Management---TECHNICAL UNIV LIBEREC