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Submitted on: 02 January 2006.
Revised on: 06 March 2006.
Accepted on: 17 April 2006.
___________________Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
Submitted on: 08 August 2000.
Revised on: 10 October 2000.
Accepted on: 04 December 2000.
___________________Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
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Submitted on: 30 July 2004.
Revised on: 02 November 2004.
Accepted on: 05 December 2004.
___________________Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
Submitted on: 14 January 2005.
Revised on: 06 May 2005.
Accepted on: 18 May 2005.
___________________Journal of Mehmet Akif Ersoy University Economics and Administrative Sciences Faculty
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