Submitted on: 13 June 2016.
Revised on: 22 September 2016.
Accepted on: 18 November 2016.
___________________Cleaner Environmental Systems---ELSEVIER
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Submitted on: 26 August 2018.
Revised on: 20 November 2018.
Accepted on: 31 December 2018.
___________________Cleaner Environmental Systems---ELSEVIER
Submitted on: 08 June 2008.
Revised on: 27 July 2008.
Accepted on: 20 September 2008.
___________________Cleaner Environmental Systems---ELSEVIER
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Submitted on: 28 January 2009.
Revised on: 13 April 2009.
Accepted on: 18 May 2009.
___________________Cleaner Environmental Systems---ELSEVIER
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