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Submitted on: 12 November 2008.
Revised on: 09 December 2008.
Accepted on: 05 January 2009.
___________________International Journal of Engineering
Submitted on: 01 September 2015.
Revised on: 25 September 2015.
Accepted on: 04 November 2015.
___________________International Journal of Engineering
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Submitted on: 19 August 2008.
Revised on: 17 September 2008.
Accepted on: 09 November 2008.
___________________International Journal of Engineering
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Submitted on: 08 June 1998.
Revised on: 16 August 1998.
Accepted on: 11 October 1998.
___________________International Journal of Engineering
Submitted on: 25 September 2000.
Revised on: 18 December 2000.
Accepted on: 31 December 2000.
___________________International Journal of Engineering
Submitted on: 31 December 2011.
Revised on: 19 April 2012.
Accepted on: 08 June 2012.
___________________International Journal of Engineering
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