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Submitted on: 28 July 2020.
Revised on: 27 September 2020.
Accepted on: 29 October 2020.
___________________INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
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Submitted on: 03 May 2004.
Revised on: 24 June 2004.
Accepted on: 11 August 2004.
___________________INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
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Submitted on: 25 January 2018.
Revised on: 17 April 2018.
Accepted on: 08 May 2018.
___________________INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
Submitted on: 09 December 1998.
Revised on: 10 February 1999.
Accepted on: 06 April 1999.
___________________INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH
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