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Submitted on: 05 October 2005.
Revised on: 29 October 2005.
Accepted on: 14 November 2005.
___________________INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES
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Submitted on: 13 January 2011.
Revised on: 08 February 2011.
Accepted on: 05 March 2011.
___________________INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES
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Submitted on: 02 February 2009.
Revised on: 29 May 2009.
Accepted on: 14 June 2009.
___________________INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES
Submitted on: 31 October 2023.
Revised on: 23 January 2024.
Accepted on: 04 March 2024.
___________________INTERNATIONAL JOURNAL OF MATHEMATICS AND MATHEMATICAL SCIENCES
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