Submitted on: 09 September 2018.
Revised on: 04 January 2019.
Accepted on: 17 February 2019.
___________________International Journal of Applied Mathematics & Statistics
Submitted on: 12 October 2010.
Revised on: 25 January 2011.
Accepted on: 12 February 2011.
___________________International Journal of Applied Mathematics & Statistics
Submitted on: 07 August 2018.
Revised on: 13 October 2018.
Accepted on: 28 November 2018.
___________________International Journal of Applied Mathematics & Statistics
Submitted on: 07 December 2020.
Revised on: 17 February 2021.
Accepted on: 17 March 2021.
___________________International Journal of Applied Mathematics & Statistics
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Submitted on: 30 March 2023.
Revised on: 24 May 2023.
Accepted on: 19 July 2023.
___________________International Journal of Applied Mathematics & Statistics
Submitted on: 03 May 2016.
Revised on: 14 June 2016.
Accepted on: 14 July 2016.
___________________International Journal of Applied Mathematics & Statistics