Submitted on: 10 August 2008.
Revised on: 13 October 2008.
Accepted on: 27 October 2008.
___________________Journal of Systems Science & Complexity
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Submitted on: 21 November 2014.
Revised on: 14 March 2015.
Accepted on: 25 April 2015.
___________________Journal of Systems Science & Complexity
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Submitted on: 14 December 2024.
Revised on: 27 March 2025.
Accepted on: 12 May 2025.
___________________Journal of Systems Science & Complexity
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Submitted on: 04 March 2024.
Revised on: 18 June 2024.
Accepted on: 13 July 2024.
___________________Journal of Systems Science & Complexity