Submitted on: 16 December 1999.
Revised on: 10 January 2000.
Accepted on: 21 January 2000.
SOCIAL RESEARCH
Submitted on: 18 January 2010.
Revised on: 21 February 2010.
Accepted on: 03 March 2010.
SOCIAL RESEARCH
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http://reply.papertrans.cn/3/282/28168/28168-24.png
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Submitted on: 16 February 2009.
Revised on: 27 March 2009.
Accepted on: 06 April 2009.
SOCIAL RESEARCH
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Submitted on: 03 December 1999.
Revised on: 21 December 1999.
Accepted on: 13 January 2000.
SOCIAL RESEARCH
Submitted on: 01 October 2020.
Revised on: 17 October 2020.
Accepted on: 28 October 2020.
SOCIAL RESEARCH