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Submitted on: 22 February 2008.
Revised on: 22 March 2008.
Accepted on: 28 March 2008.
Malaysian Journal of Mathematical Sciences
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Submitted on: 08 May 2014.
Revised on: 29 May 2014.
Accepted on: 21 June 2014.
Malaysian Journal of Mathematical Sciences
Submitted on: 06 October 2021.
Revised on: 17 November 2021.
Accepted on: 01 December 2021.
Malaysian Journal of Mathematical Sciences
Submitted on: 22 February 2021.
Revised on: 07 March 2021.
Accepted on: 28 March 2021.
Malaysian Journal of Mathematical Sciences
Submitted on: 08 April 2005.
Revised on: 04 May 2005.
Accepted on: 27 May 2005.
Malaysian Journal of Mathematical Sciences
Submitted on: 23 June 2001.
Revised on: 14 July 2001.
Accepted on: 24 July 2001.
Malaysian Journal of Mathematical Sciences