1. Department of Mathematics, College of Education for Pure Sciences, University of Basrah, Basrah, Iraq
2. Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
3. Department of Mathematics and Statistics, College of Science, University of Jeddah, Jeddah, Saudi Arabia
4. Faculty of Arts and Science, Beykent University, Istanbul, Turkey
5. King Abdullah Air Defense Academy, Taif, Saudi Arabia