1. Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
2. Department of Mathematics, College of Science, Jazan University, Jazan, Saudi Arabia
3. Department of Computer Science, College of Engineering and Computer Science, Jazan University, Jazan, Saudi Arabia
4. Department of Mathematics, Riphah International University, Lahore, Pakistan