Submitted on: 28 September 2003.
Revised on: 25 October 2003.
Accepted on: 02 December 2003.
___________________ENERGY CONVERSION AND MANAGEMENT
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Submitted on: 06 December 2007.
Revised on: 10 February 2008.
Accepted on: 03 March 2008.
___________________ENERGY CONVERSION AND MANAGEMENT
Submitted on: 26 January 2014.
Revised on: 22 March 2014.
Accepted on: 09 May 2014.
___________________ENERGY CONVERSION AND MANAGEMENT
Submitted on: 06 October 2008.
Revised on: 10 January 2009.
Accepted on: 08 March 2009.
___________________ENERGY CONVERSION AND MANAGEMENT