1. Department of Mathematics, Faculty of Sciences, Ghazi University D. G. Khan, Pakistan
2. Mathematics Department, College of Science, King Saud University, Riyadh, Saudi Arabia
3. Department of Chemistry, Faculty of Science, Jazan University, Jazan, Saudi Arabia
4. Biology Department, University Collage in Aldarb, Jazan University, Jazan, Saudi Arabia
5. Energy Engineering Division, Department of Engineering Science and Mathematics, Lulea University of Technology, Lulea, Sweden