Submitted on: 16 January 2013.
Revised on: 14 April 2013.
Accepted on: 12 June 2013.
___________________Journal of Applied Science and Engineering
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Submitted on: 24 May 2023.
Revised on: 30 July 2023.
Accepted on: 28 August 2023.
___________________Journal of Applied Science and Engineering
Submitted on: 26 August 2009.
Revised on: 18 September 2009.
Accepted on: 13 October 2009.
___________________Journal of Applied Science and Engineering