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http://reply.papertrans.cn/2/143/14206/14206-13.png
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Submitted on: 30 August 2018.
Revised on: 26 September 2018.
Accepted on: 04 November 2018.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
http://reply.papertrans.cn/2/143/14206/14206-16.png
Submitted on: 01 August 2009.
Revised on: 11 September 2009.
Accepted on: 30 September 2009.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
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Submitted on: 14 July 2014.
Revised on: 30 September 2014.
Accepted on: 23 October 2014.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE