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Submitted on: 05 January 2009.
Revised on: 17 March 2009.
Accepted on: 16 April 2009.
___________________International Journal of Oil Gas and Coal Technology
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Submitted on: 02 September 2010.
Revised on: 28 October 2010.
Accepted on: 06 December 2010.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 24 June 2024.
Revised on: 11 October 2024.
Accepted on: 08 December 2024.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 09 May 2013.
Revised on: 25 July 2013.
Accepted on: 16 August 2013.
___________________International Journal of Oil Gas and Coal Technology
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Submitted on: 27 August 2002.
Revised on: 28 September 2002.
Accepted on: 12 November 2002.
___________________International Journal of Oil Gas and Coal Technology
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