Submitted on: 16 January 2018.
Revised on: 11 March 2018.
Accepted on: 08 April 2018.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD
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Submitted on: 18 May 2001.
Revised on: 30 August 2001.
Accepted on: 28 September 2001.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD
Submitted on: 18 December 2003.
Revised on: 21 March 2004.
Accepted on: 14 April 2004.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD
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Submitted on: 21 June 2020.
Revised on: 05 August 2020.
Accepted on: 24 August 2020.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD
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Submitted on: 23 October 2012.
Revised on: 20 January 2013.
Accepted on: 19 March 2013.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD
Submitted on: 04 November 1999.
Revised on: 15 December 1999.
Accepted on: 28 December 1999.
___________________IETE JOURNAL OF RESEARCH---TAYLOR & FRANCIS LTD