1. Mathematics Department, Al-Qunfudah University College, Umm Al-Qura University, Mecca, Saudi Arabia
2. Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11681, Saudi Arabia
3. Department of Mathematics, Faculty of Sciences, University of Jeddah, Jeddah, Saudi Arabia
4. Department of Mathematics, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa 23200, Pakistan
5. Department of Mathematics, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana