Submitted on: 06 August 2005.
Revised on: 12 September 2005.
Accepted on: 22 September 2005.
___________________Journal of Information and Telecommunication
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Submitted on: 02 July 2013.
Revised on: 22 October 2013.
Accepted on: 11 December 2013.
___________________Journal of Information and Telecommunication
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Submitted on: 28 April 2000.
Revised on: 19 June 2000.
Accepted on: 13 August 2000.
___________________Journal of Information and Telecommunication
Submitted on: 14 November 2009.
Revised on: 17 January 2010.
Accepted on: 24 February 2010.
___________________Journal of Information and Telecommunication
Submitted on: 04 November 2016.
Revised on: 05 February 2017.
Accepted on: 27 February 2017.
___________________Journal of Information and Telecommunication
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Submitted on: 01 May 1999.
Revised on: 30 June 1999.
Accepted on: 27 August 1999.
___________________Journal of Information and Telecommunication