http://reply.papertrans.cn/3/283/28225/28225-11.png
Submitted on: 07 December 2011.
Revised on: 14 January 2012.
Accepted on: 11 February 2012.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 22 August 2010.
Revised on: 29 September 2010.
Accepted on: 19 October 2010.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 03 September 2014.
Revised on: 06 October 2014.
Accepted on: 14 October 2014.
SOCIO-ECONOMIC PLANNING SCIENCES
Submitted on: 24 April 2002.
Revised on: 10 May 2002.
Accepted on: 07 June 2002.
SOCIO-ECONOMIC PLANNING SCIENCES
http://reply.papertrans.cn/3/283/28225/28225-16.png
Submitted on: 11 February 2009.
Revised on: 23 February 2009.
Accepted on: 20 March 2009.
SOCIO-ECONOMIC PLANNING SCIENCES
http://reply.papertrans.cn/3/283/28225/28225-18.png
Submitted on: 05 June 2019.
Revised on: 29 June 2019.
Accepted on: 13 July 2019.
SOCIO-ECONOMIC PLANNING SCIENCES
http://reply.papertrans.cn/3/283/28225/28225-20.png