Submitted on: 20 March 2012.
Revised on: 29 June 2012.
Accepted on: 22 August 2012.
___________________AGRICULTURE AND HUMAN VALUES---SPRINGER
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Submitted on: 28 October 2009.
Revised on: 01 February 2010.
Accepted on: 12 March 2010.
___________________AGRICULTURE AND HUMAN VALUES---SPRINGER