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Submitted on: 08 November 2002.
Revised on: 23 February 2003.
Accepted on: 01 April 2003.
___________________Academy Review---ALFRED NOBEL UNIV
Submitted on: 21 June 2015.
Revised on: 14 July 2015.
Accepted on: 07 September 2015.
___________________Academy Review---ALFRED NOBEL UNIV
http://reply.papertrans.cn/1/1/63/63-34.png
http://reply.papertrans.cn/1/1/63/63-35.png
Submitted on: 11 February 2017.
Revised on: 09 May 2017.
Accepted on: 02 July 2017.
___________________Academy Review---ALFRED NOBEL UNIV