**Author details**

Bakhita Hamdow Gad Elkreem Braima1,2

1 Finance and Investment Department, Faculty of Business Administration, University of Tabuk, Saudi Arabia

2 University of Kordofan, AlObied, Sudan

\*Address all correspondence to: bgadkreem@yahoo.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
