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Submitted on: 10 November 2016.
Revised on: 04 December 2016.
Accepted on: 24 December 2016.
___________________INFOR---TAYLOR & FRANCIS INC
Submitted on: 26 April 2008.
Revised on: 06 July 2008.
Accepted on: 07 August 2008.
___________________INFOR---TAYLOR & FRANCIS INC
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Submitted on: 01 September 1999.
Revised on: 25 December 1999.
Accepted on: 15 January 2000.
___________________INFOR---TAYLOR & FRANCIS INC
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