Submitted on: 30 November 2002.
Revised on: 08 January 2003.
Accepted on: 16 February 2003.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
Submitted on: 29 November 2000.
Revised on: 07 March 2001.
Accepted on: 20 April 2001.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
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Submitted on: 20 March 2004.
Revised on: 12 June 2004.
Accepted on: 15 July 2004.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
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Submitted on: 01 October 2022.
Revised on: 02 November 2022.
Accepted on: 24 December 2022.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
Submitted on: 03 November 2001.
Revised on: 06 January 2002.
Accepted on: 20 January 2002.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
Submitted on: 03 March 2010.
Revised on: 29 June 2010.
Accepted on: 10 July 2010.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE
Submitted on: 13 June 1998.
Revised on: 07 September 1998.
Accepted on: 02 October 1998.
___________________INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE