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Submitted on: 30 December 2012.
Revised on: 13 February 2013.
Accepted on: 16 March 2013.
___________________JOURNAL OF INFORMATION & OPTIMIZATION SCIENCES
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Submitted on: 27 January 2010.
Revised on: 29 March 2010.
Accepted on: 25 April 2010.
___________________JOURNAL OF INFORMATION & OPTIMIZATION SCIENCES
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Submitted on: 04 February 2008.
Revised on: 16 April 2008.
Accepted on: 30 April 2008.
___________________JOURNAL OF INFORMATION & OPTIMIZATION SCIENCES
Submitted on: 10 October 2000.
Revised on: 09 December 2000.
Accepted on: 28 December 2000.
___________________JOURNAL OF INFORMATION & OPTIMIZATION SCIENCES
Submitted on: 28 April 2012.
Revised on: 20 August 2012.
Accepted on: 18 October 2012.
___________________JOURNAL OF INFORMATION & OPTIMIZATION SCIENCES
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