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Submitted on: 27 June 2010.
Revised on: 20 September 2010.
Accepted on: 06 October 2010.
___________________Journal of Sustainable Finance & Investment
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Submitted on: 26 August 2009.
Revised on: 30 October 2009.
Accepted on: 17 November 2009.
___________________Journal of Sustainable Finance & Investment
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Submitted on: 28 November 2012.
Revised on: 09 January 2013.
Accepted on: 29 January 2013.
___________________Journal of Sustainable Finance & Investment