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Submitted on: 15 January 2018.
Revised on: 16 March 2018.
Accepted on: 06 April 2018.
___________________International Journal of Applied Nonlinear Science
Submitted on: 07 November 2014.
Revised on: 04 March 2015.
Accepted on: 05 April 2015.
___________________International Journal of Applied Nonlinear Science
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Submitted on: 31 December 2008.
Revised on: 01 April 2009.
Accepted on: 07 May 2009.
___________________International Journal of Applied Nonlinear Science
Submitted on: 12 January 2018.
Revised on: 18 April 2018.
Accepted on: 03 May 2018.
___________________International Journal of Applied Nonlinear Science
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Submitted on: 15 September 2008.
Revised on: 23 October 2008.
Accepted on: 15 December 2008.
___________________International Journal of Applied Nonlinear Science
Submitted on: 05 June 2003.
Revised on: 27 June 2003.
Accepted on: 05 August 2003.
___________________International Journal of Applied Nonlinear Science
Submitted on: 28 September 2014.
Revised on: 31 December 2014.
Accepted on: 20 February 2015.
___________________International Journal of Applied Nonlinear Science