Submitted on: 21 May 2007.
Revised on: 12 June 2007.
Accepted on: 04 July 2007.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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Submitted on: 07 November 2019.
Revised on: 16 December 2019.
Accepted on: 31 December 2019.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Submitted on: 10 May 2016.
Revised on: 30 June 2016.
Accepted on: 16 August 2016.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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http://reply.papertrans.cn/2/134/13353/13353-17.png
Submitted on: 17 June 2019.
Revised on: 06 September 2019.
Accepted on: 05 October 2019.
___________________INTERNATIONAL JOURNAL OF ENERGY RESEARCH
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