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Submitted on: 05 January 2023.
Revised on: 11 March 2023.
Accepted on: 25 March 2023.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 05 September 2006.
Revised on: 30 December 2006.
Accepted on: 21 February 2007.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 31 March 2002.
Revised on: 19 July 2002.
Accepted on: 31 August 2002.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 20 August 2010.
Revised on: 29 November 2010.
Accepted on: 17 December 2010.
___________________International Journal of Oil Gas and Coal Technology
Submitted on: 16 July 1999.
Revised on: 21 September 1999.
Accepted on: 19 November 1999.
___________________International Journal of Oil Gas and Coal Technology