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Submitted on: 29 October 2009.
Revised on: 21 December 2009.
Accepted on: 10 January 2010.
___________________Asian Journal of Technology Innovation
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Submitted on: 25 August 2016.
Revised on: 07 December 2016.
Accepted on: 03 January 2017.
___________________Asian Journal of Technology Innovation
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Submitted on: 25 July 2013.
Revised on: 10 October 2013.
Accepted on: 21 October 2013.
___________________Asian Journal of Technology Innovation
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