Submitted on: 16 April 2018.
Revised on: 26 June 2018.
Accepted on: 25 July 2018.
___________________Journal of Mathematical and Fundamental Sciences
Submitted on: 09 October 2022.
Revised on: 30 October 2022.
Accepted on: 14 November 2022.
___________________Journal of Mathematical and Fundamental Sciences
Submitted on: 28 November 2019.
Revised on: 29 January 2020.
Accepted on: 06 March 2020.
___________________Journal of Mathematical and Fundamental Sciences
Submitted on: 01 November 2010.
Revised on: 28 November 2010.
Accepted on: 06 January 2011.
___________________Journal of Mathematical and Fundamental Sciences
Submitted on: 10 December 2012.
Revised on: 04 April 2013.
Accepted on: 05 May 2013.
___________________Journal of Mathematical and Fundamental Sciences
Submitted on: 14 July 1998.
Revised on: 05 August 1998.
Accepted on: 22 September 1998.
___________________Journal of Mathematical and Fundamental Sciences