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Submitted on: 06 March 1999.
Revised on: 27 March 1999.
Accepted on: 13 May 1999.
___________________Aslib Journal of Information Management
Submitted on: 23 October 2019.
Revised on: 16 December 2019.
Accepted on: 04 February 2020.
___________________Aslib Journal of Information Management
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Submitted on: 20 June 2005.
Revised on: 17 July 2005.
Accepted on: 17 August 2005.
___________________Aslib Journal of Information Management
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Submitted on: 11 December 2009.
Revised on: 03 January 2010.
Accepted on: 17 February 2010.
___________________Aslib Journal of Information Management