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Submitted on: 30 October 1999.
Revised on: 06 January 2000.
Accepted on: 28 February 2000.
___________________Journal of Organizational and End User Computing
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Submitted on: 03 July 2015.
Revised on: 24 August 2015.
Accepted on: 17 September 2015.
___________________Journal of Organizational and End User Computing
Submitted on: 06 September 2004.
Revised on: 16 November 2004.
Accepted on: 20 December 2004.
___________________Journal of Organizational and End User Computing
Submitted on: 06 July 2003.
Revised on: 06 September 2003.
Accepted on: 08 October 2003.
___________________Journal of Organizational and End User Computing
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