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Submitted on: 30 November 2009.
Revised on: 24 March 2010.
Accepted on: 08 May 2010.
___________________Frontiers of Information Technology & Electronic Engineering
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Submitted on: 02 July 1999.
Revised on: 29 August 1999.
Accepted on: 09 October 1999.
___________________Frontiers of Information Technology & Electronic Engineering
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Submitted on: 11 January 2025.
Revised on: 23 February 2025.
Accepted on: 17 April 2025.
___________________Frontiers of Information Technology & Electronic Engineering
Submitted on: 04 August 2016.
Revised on: 16 October 2016.
Accepted on: 09 December 2016.
___________________Frontiers of Information Technology & Electronic Engineering
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