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Submitted on: 25 November 2003.
Revised on: 21 January 2004.
Accepted on: 21 February 2004.
___________________JOURNAL OF SCHEDULING---SPRINGER
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Submitted on: 26 October 2008.
Revised on: 23 December 2008.
Accepted on: 22 January 2009.
___________________JOURNAL OF SCHEDULING---SPRINGER
Submitted on: 10 June 2014.
Revised on: 04 July 2014.
Accepted on: 24 July 2014.
___________________JOURNAL OF SCHEDULING---SPRINGER
Submitted on: 18 October 2009.
Revised on: 04 January 2010.
Accepted on: 09 February 2010.
___________________JOURNAL OF SCHEDULING---SPRINGER
Submitted on: 21 November 2014.
Revised on: 29 January 2015.
Accepted on: 30 March 2015.
___________________JOURNAL OF SCHEDULING---SPRINGER
Submitted on: 26 July 2023.
Revised on: 08 November 2023.
Accepted on: 25 November 2023.
___________________JOURNAL OF SCHEDULING---SPRINGER
Submitted on: 28 September 1999.
Revised on: 28 October 1999.
Accepted on: 28 November 1999.
___________________JOURNAL OF SCHEDULING---SPRINGER