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Submitted on: 22 August 2015.
Revised on: 03 October 2015.
Accepted on: 26 October 2015.
___________________International Journal of Energy and Environmental Engineering
Submitted on: 17 January 2017.
Revised on: 29 April 2017.
Accepted on: 19 June 2017.
___________________International Journal of Energy and Environmental Engineering
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Submitted on: 10 January 2015.
Revised on: 07 February 2015.
Accepted on: 03 March 2015.
___________________International Journal of Energy and Environmental Engineering
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Submitted on: 14 February 2008.
Revised on: 11 April 2008.
Accepted on: 15 May 2008.
___________________International Journal of Energy and Environmental Engineering