Submitted on: 24 November 2016.
Revised on: 01 March 2017.
Accepted on: 31 March 2017.
___________________Journal of Applied Mathematics Statistics and Informatics
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Submitted on: 07 March 2019.
Revised on: 31 March 2019.
Accepted on: 23 May 2019.
___________________Journal of Applied Mathematics Statistics and Informatics
Submitted on: 12 September 2020.
Revised on: 17 November 2020.
Accepted on: 31 December 2020.
___________________Journal of Applied Mathematics Statistics and Informatics
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Submitted on: 15 April 2001.
Revised on: 24 May 2001.
Accepted on: 20 June 2001.
___________________Journal of Applied Mathematics Statistics and Informatics
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