Submitted on: 21 January 2010.
Revised on: 28 February 2010.
Accepted on: 22 April 2010.
___________________INTERNATIONAL JOURNAL OF PHOTOENERGY
Submitted on: 02 May 2018.
Revised on: 30 August 2018.
Accepted on: 13 September 2018.
___________________INTERNATIONAL JOURNAL OF PHOTOENERGY
Submitted on: 15 October 2002.
Revised on: 12 January 2003.
Accepted on: 23 January 2003.
___________________INTERNATIONAL JOURNAL OF PHOTOENERGY
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Submitted on: 05 December 1999.
Revised on: 23 February 2000.
Accepted on: 18 March 2000.
___________________INTERNATIONAL JOURNAL OF PHOTOENERGY
Submitted on: 21 June 2015.
Revised on: 25 July 2015.
Accepted on: 05 September 2015.
___________________INTERNATIONAL JOURNAL OF PHOTOENERGY
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