Submitted on: 14 September 2010.
Revised on: 13 October 2010.
Accepted on: 06 November 2010.
___________________Journal of Management Science and Engineering
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Submitted on: 27 May 2022.
Revised on: 01 August 2022.
Accepted on: 26 August 2022.
___________________Journal of Management Science and Engineering
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Submitted on: 10 August 1999.
Revised on: 04 November 1999.
Accepted on: 18 December 1999.
___________________Journal of Management Science and Engineering
Submitted on: 06 October 2007.
Revised on: 11 November 2007.
Accepted on: 02 December 2007.
___________________Journal of Management Science and Engineering
Submitted on: 03 March 2008.
Revised on: 27 June 2008.
Accepted on: 20 July 2008.
___________________Journal of Management Science and Engineering
Submitted on: 31 December 2010.
Revised on: 30 April 2011.
Accepted on: 27 May 2011.
___________________Journal of Management Science and Engineering