1. Department of Mathematics and Statistics, Faculty of Science, Taif University, Taif, Saudi Arabia
2. Department of Mathematics, Faculty of Science, Assiut University, Assiut, Egypt
3. Department of Mathematics, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt
4. Department of Mathematics, Faculty of Science, New Valley University, El Kharga, Egypt
5. Mathematical Science, Faculty of Science, Princess Nourah bint Abdularhman University, Riyadh, Saudi Arabia