Submitted on: 09 May 2000.
Revised on: 30 August 2000.
Accepted on: 11 October 2000.
___________________INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT
Submitted on: 02 May 2004.
Revised on: 03 July 2004.
Accepted on: 05 August 2004.
___________________INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT
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Submitted on: 09 January 2006.
Revised on: 04 May 2006.
Accepted on: 15 June 2006.
___________________INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT
Submitted on: 26 January 2007.
Revised on: 08 May 2007.
Accepted on: 12 June 2007.
___________________INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT
Submitted on: 30 September 1999.
Revised on: 03 January 2000.
Accepted on: 29 February 2000.
___________________INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT