Submitted on: 15 May 2008.
Revised on: 04 September 2008.
Accepted on: 24 October 2008.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 10 November 2007.
Revised on: 05 January 2008.
Accepted on: 28 January 2008.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 13 March 2011.
Revised on: 10 July 2011.
Accepted on: 06 August 2011.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 05 August 2017.
Revised on: 21 November 2017.
Accepted on: 30 December 2017.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 26 June 2013.
Revised on: 20 July 2013.
Accepted on: 12 August 2013.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 27 September 2001.
Revised on: 18 December 2001.
Accepted on: 02 January 2002.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS