Author details

Ali Babikir<sup>1</sup> \*, Mustafa Mohammed<sup>2</sup> and Henry Mwambi1

\*Address all correspondence to: ali.basher@gmail.com

1 School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa

2 Faculty of Science and Arts, University of Jeddah, Saudi Arabia
