Submitted on: 12 August 2012.
Revised on: 02 October 2012.
Accepted on: 19 November 2012.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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Submitted on: 03 July 2007.
Revised on: 05 October 2007.
Accepted on: 24 November 2007.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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Submitted on: 09 May 2023.
Revised on: 17 June 2023.
Accepted on: 08 July 2023.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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Submitted on: 20 October 2012.
Revised on: 03 February 2013.
Accepted on: 18 February 2013.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Submitted on: 18 November 2004.
Revised on: 14 March 2005.
Accepted on: 15 April 2005.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH