Submitted on: 22 June 2000.
Revised on: 12 September 2000.
Accepted on: 27 September 2000.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 04 September 2007.
Revised on: 12 November 2007.
Accepted on: 08 December 2007.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 04 July 2015.
Revised on: 09 October 2015.
Accepted on: 03 December 2015.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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Submitted on: 13 December 2022.
Revised on: 16 January 2023.
Accepted on: 04 February 2023.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
Submitted on: 13 February 2000.
Revised on: 08 June 2000.
Accepted on: 12 July 2000.
___________________Green Finance---AMER INST MATHEMATICAL SCIENCES-AIMS
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