Submitted on: 01 October 2017.
Revised on: 09 November 2017.
Accepted on: 16 November 2017.
SOCIAL RESEARCH---JOHNS HOPKINS UNIV PRESS
Submitted on: 08 September 2005.
Revised on: 02 October 2005.
Accepted on: 15 October 2005.
SOCIAL RESEARCH
Submitted on: 02 April 2011.
Revised on: 16 April 2011.
Accepted on: 09 May 2011.
SOCIAL RESEARCH
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http://reply.papertrans.cn/3/282/28168/28168-35.png
Submitted on: 06 March 2017.
Revised on: 15 March 2017.
Accepted on: 06 April 2017.
SOCIAL RESEARCH---JOHNS HOPKINS UNIV PRESS