Submitted on: 30 March 2006.
Revised on: 23 May 2006.
Accepted on: 13 July 2006.
___________________Asian Journal of Technology Innovation
Submitted on: 17 March 2009.
Revised on: 28 May 2009.
Accepted on: 11 July 2009.
___________________Asian Journal of Technology Innovation
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Submitted on: 09 August 2019.
Revised on: 03 October 2019.
Accepted on: 09 November 2019.
___________________Asian Journal of Technology Innovation
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Submitted on: 30 October 2009.
Revised on: 21 November 2009.
Accepted on: 10 December 2009.
___________________Asian Journal of Technology Innovation
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