Submitted on: 03 January 2007.
Revised on: 16 April 2007.
Accepted on: 08 June 2007.
___________________International Journal of Information Security
Submitted on: 21 October 2010.
Revised on: 03 February 2011.
Accepted on: 23 March 2011.
___________________International Journal of Information Security
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Submitted on: 18 February 2020.
Revised on: 06 May 2020.
Accepted on: 24 June 2020.
___________________International Journal of Information Security
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Submitted on: 24 May 2010.
Revised on: 04 July 2010.
Accepted on: 01 August 2010.
___________________International Journal of Information Security
Submitted on: 29 June 1998.
Revised on: 20 September 1998.
Accepted on: 03 October 1998.
___________________International Journal of Information Security
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