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Submitted on: 27 December 2018.
Revised on: 04 February 2019.
Accepted on: 07 March 2019.
___________________German Journal of Human Resource Management-Zeitschrift fur Personalforschung
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Submitted on: 23 October 1998.
Revised on: 14 December 1998.
Accepted on: 02 January 1999.
___________________German Journal of Human Resource Management-Zeitschrift fur Personalforschung
Submitted on: 16 September 2016.
Revised on: 26 October 2016.
Accepted on: 25 November 2016.
___________________German Journal of Human Resource Management-Zeitschrift fur Personalforschung
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