Submitted on: 04 June 2015.
Revised on: 26 August 2015.
Accepted on: 22 September 2015.
___________________Journal of Applied Mathematics and Computing
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Submitted on: 19 December 2022.
Revised on: 06 February 2023.
Accepted on: 19 February 2023.
___________________Journal of Applied Mathematics and Computing
Submitted on: 04 October 2018.
Revised on: 13 January 2019.
Accepted on: 08 March 2019.
___________________Journal of Applied Mathematics and Computing
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