1. Department of Mathematics, College of Science and Humanities, Imam Abdulrahman Bin Faisal University, Jubail 35811, Saudi Arabia
2. Department of Mathematics, College of Science, Taibah University, Madinah 42353, Saudi Arabia
3. Department of Mathematics, Faculty of Science, Tanta University, Tanta 31527, Egypt
4. Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt