http://reply.papertrans.cn/3/283/28221/28221-11.png
Submitted on: 18 July 1998.
Revised on: 20 August 1998.
Accepted on: 08 September 1998.
SOCIETY & NATURAL RESOURCES---TAYLOR & FRANCIS INC
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Submitted on: 06 December 2014.
Revised on: 11 January 2015.
Accepted on: 02 February 2015.
SOCIETY & NATURAL RESOURCES---TAYLOR & FRANCIS INC
Submitted on: 13 August 2010.
Revised on: 14 September 2010.
Accepted on: 04 October 2010.
SOCIETY & NATURAL RESOURCES
Submitted on: 23 June 2017.
Revised on: 30 July 2017.
Accepted on: 19 August 2017.
SOCIETY & NATURAL RESOURCES---TAYLOR & FRANCIS INC
http://reply.papertrans.cn/3/283/28221/28221-18.png
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