Submitted on: 26 October 2021.
Revised on: 20 November 2021.
Accepted on: 28 November 2021.
Polish Journal of Management Studies
Submitted on: 05 September 1999.
Revised on: 29 September 1999.
Accepted on: 06 October 1999.
Polish Journal of Management Studies
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Submitted on: 28 May 2011.
Revised on: 06 June 2011.
Accepted on: 15 June 2011.
Polish Journal of Management Studies