1. Department of Basic Sciences, University College of Haqel, University of Tabuk, 71491 Tabuk, Saudi Arabia
2. Mathematical Science Department, Faculty of Science, Princess Nourah bint Abdulrahman University. Riyadh 11546, Saudi Arabia
3. Department of Mathematics, College of Science, King Khalid University, Abha, Saudi Arabia
4. Financial Sciences Department, Applied College, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia