Submitted on: 20 June 2003.
Revised on: 25 September 2003.
Accepted on: 12 November 2003.
___________________Flexible Services and Manufacturing Journal
Submitted on: 22 April 2002.
Revised on: 17 July 2002.
Accepted on: 16 August 2002.
___________________Flexible Services and Manufacturing Journal
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Submitted on: 09 June 2004.
Revised on: 27 September 2004.
Accepted on: 20 November 2004.
___________________Flexible Services and Manufacturing Journal
Submitted on: 10 November 2019.
Revised on: 10 February 2020.
Accepted on: 31 March 2020.
___________________Flexible Services and Manufacturing Journal
http://reply.papertrans.cn/1/99/9833/9833-26.png
Submitted on: 07 September 2020.
Revised on: 09 October 2020.
Accepted on: 28 October 2020.
___________________Flexible Services and Manufacturing Journal
Submitted on: 14 January 2007.
Revised on: 13 May 2007.
Accepted on: 25 May 2007.
___________________Flexible Services and Manufacturing Journal
Submitted on: 08 April 2019.
Revised on: 09 July 2019.
Accepted on: 28 July 2019.
___________________Flexible Services and Manufacturing Journal
Submitted on: 22 March 2004.
Revised on: 03 July 2004.
Accepted on: 18 August 2004.
___________________Flexible Services and Manufacturing Journal