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Submitted on: 21 December 1998.
Revised on: 12 February 1999.
Accepted on: 01 March 1999.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
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Submitted on: 20 January 2008.
Revised on: 09 May 2008.
Accepted on: 05 June 2008.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
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Submitted on: 01 May 2018.
Revised on: 22 May 2018.
Accepted on: 03 July 2018.
___________________DISCRETE EVENT DYNAMIC SYSTEMS-THEORY AND APPLICATIONS
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