Submitted on: 17 January 2007.
Revised on: 01 February 2007.
Accepted on: 25 February 2007.
POPULATION RESEARCH AND POLICY REVIEW
Submitted on: 14 August 2011.
Revised on: 23 August 2011.
Accepted on: 09 September 2011.
POPULATION RESEARCH AND POLICY REVIEW
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Submitted on: 18 February 2010.
Revised on: 28 February 2010.
Accepted on: 12 March 2010.
POPULATION RESEARCH AND POLICY REVIEW
Submitted on: 20 December 2003.
Revised on: 01 January 2004.
Accepted on: 15 January 2004.
POPULATION RESEARCH AND POLICY REVIEW
http://reply.papertrans.cn/3/251/25087/25087-26.png
Submitted on: 28 March 2019.
Revised on: 08 April 2019.
Accepted on: 23 April 2019.
POPULATION RESEARCH AND POLICY REVIEW
Submitted on: 15 June 2008.
Revised on: 25 June 2008.
Accepted on: 15 July 2008.
POPULATION RESEARCH AND POLICY REVIEW
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Submitted on: 04 June 2020.
Revised on: 06 July 2020.
Accepted on: 27 July 2020.
POPULATION RESEARCH AND POLICY REVIEW