Submitted on: 14 August 1998.
Revised on: 28 November 1998.
Accepted on: 20 January 1999.
___________________Journal of Academic Ethics---SPRINGER
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Submitted on: 14 June 2017.
Revised on: 05 August 2017.
Accepted on: 23 August 2017.
___________________Journal of Academic Ethics---SPRINGER
Submitted on: 28 February 2012.
Revised on: 22 March 2012.
Accepted on: 15 May 2012.
___________________Journal of Academic Ethics---SPRINGER
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