Submitted on: 13 June 2011.
Revised on: 04 August 2011.
Accepted on: 04 September 2011.
___________________Grey Systems-Theory and Application
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Submitted on: 22 September 2021.
Revised on: 28 November 2021.
Accepted on: 26 December 2021.
___________________Grey Systems-Theory and Application
Submitted on: 11 November 2016.
Revised on: 06 February 2017.
Accepted on: 16 March 2017.
___________________Grey Systems-Theory and Application
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Submitted on: 23 July 2007.
Revised on: 01 October 2007.
Accepted on: 06 November 2007.
___________________Grey Systems-Theory and Application
Submitted on: 15 September 2005.
Revised on: 22 October 2005.
Accepted on: 24 November 2005.
___________________Grey Systems-Theory and Application
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Submitted on: 21 July 2017.
Revised on: 29 October 2017.
Accepted on: 23 November 2017.
___________________Grey Systems-Theory and Application
Submitted on: 03 February 2015.
Revised on: 03 March 2015.
Accepted on: 19 April 2015.
___________________Grey Systems-Theory and Application