Submitted on: 08 December 2019.
Revised on: 21 December 2019.
Accepted on: 17 January 2020.
TWMS Journal of Applied and Engineering Mathematics
Submitted on: 12 September 2006.
Revised on: 27 September 2006.
Accepted on: 02 October 2006.
TWMS Journal of Applied and Engineering Mathematics
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Submitted on: 19 March 2020.
Revised on: 01 May 2020.
Accepted on: 28 May 2020.
TWMS Journal of Applied and Engineering Mathematics
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Submitted on: 29 June 2004.
Revised on: 23 July 2004.
Accepted on: 16 August 2004.
TWMS Journal of Applied and Engineering Mathematics
Submitted on: 01 April 2005.
Revised on: 23 April 2005.
Accepted on: 28 April 2005.
TWMS Journal of Applied and Engineering Mathematics