Submitted on: 03 September 2008.
Revised on: 14 October 2008.
Accepted on: 19 November 2008.
___________________Journal of Management Science and Engineering
Submitted on: 09 June 2003.
Revised on: 18 August 2003.
Accepted on: 04 September 2003.
___________________Journal of Management Science and Engineering
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Submitted on: 24 December 2011.
Revised on: 18 April 2012.
Accepted on: 16 June 2012.
___________________Journal of Management Science and Engineering
Submitted on: 12 February 2017.
Revised on: 10 April 2017.
Accepted on: 30 April 2017.
___________________Journal of Management Science and Engineering
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Submitted on: 13 September 2001.
Revised on: 02 December 2001.
Accepted on: 09 January 2002.
___________________Journal of Management Science and Engineering
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Submitted on: 20 September 2024.
Revised on: 26 October 2024.
Accepted on: 02 December 2024.
___________________Journal of Management Science and Engineering