Submitted on: 06 November 2009.
Revised on: 05 December 2009.
Accepted on: 20 December 2009.
___________________ARO-The Scientific Journal of Koya University
Submitted on: 02 April 2008.
Revised on: 06 June 2008.
Accepted on: 21 June 2008.
___________________ARO-The Scientific Journal of Koya University
Submitted on: 05 October 2000.
Revised on: 18 November 2000.
Accepted on: 02 December 2000.
___________________ARO-The Scientific Journal of Koya University
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Submitted on: 16 July 2009.
Revised on: 19 August 2009.
Accepted on: 09 September 2009.
___________________ARO-The Scientific Journal of Koya University
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Submitted on: 02 January 2017.
Revised on: 02 April 2017.
Accepted on: 24 April 2017.
___________________ARO-The Scientific Journal of Koya University
Submitted on: 15 May 2002.
Revised on: 29 August 2002.
Accepted on: 26 September 2002.
___________________ARO-The Scientific Journal of Koya University
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