http://reply.papertrans.cn/3/283/28227/28227-11.png
Submitted on: 29 October 2004.
Revised on: 05 November 2004.
Accepted on: 19 November 2004.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 30 May 2010.
Revised on: 18 June 2010.
Accepted on: 29 June 2010.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 18 August 1998.
Revised on: 21 September 1998.
Accepted on: 03 October 1998.
SOCIO-ECONOMIC PLANNING SCIENCES
http://reply.papertrans.cn/3/283/28227/28227-15.png
http://reply.papertrans.cn/3/283/28227/28227-16.png
Submitted on: 07 June 1998.
Revised on: 18 June 1998.
Accepted on: 01 July 1998.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 07 April 2012.
Revised on: 05 May 2012.
Accepted on: 15 May 2012.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 17 September 2008.
Revised on: 25 September 2008.
Accepted on: 16 October 2008.
SOCIO-ECONOMIC PLANNING SCIENCES
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