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Submitted on: 24 June 1999.
Revised on: 07 July 1999.
Accepted on: 25 July 1999.
Recent Advances in Electrical & Electronic Engineering
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Submitted on: 26 November 2016.
Revised on: 03 January 2017.
Accepted on: 18 January 2017.
Recent Advances in Electrical & Electronic Engineering
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Submitted on: 16 July 2010.
Revised on: 12 August 2010.
Accepted on: 28 August 2010.
Recent Advances in Electrical & Electronic Engineering
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