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http://reply.papertrans.cn/2/108/10756/10756-23.png
Submitted on: 12 July 2020.
Revised on: 02 August 2020.
Accepted on: 09 September 2020.
___________________GFF---TAYLOR & FRANCIS LTD
Submitted on: 15 April 2010.
Revised on: 07 July 2010.
Accepted on: 26 August 2010.
___________________GFF---TAYLOR & FRANCIS LTD
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Submitted on: 04 January 1998.
Revised on: 16 February 1998.
Accepted on: 21 March 1998.
___________________GFF---TAYLOR & FRANCIS LTD
http://reply.papertrans.cn/2/108/10756/10756-29.png
Submitted on: 07 February 2006.
Revised on: 13 May 2006.
Accepted on: 06 July 2006.
___________________GFF---TAYLOR & FRANCIS LTD