1. Department of Mathematics, Faculty of Science, Firat University, Elâziğ, Turkey
2. Department of Mathematics, Faculty of Science, University of Zakho, Zakho, Iraq
3. Department of Computer Science, College of Science, Knowledge University, Erbil 44001, Iraq
4. Department of Computer Engineering, Biruni University, Istanbul, Turkey
5. Department of Computer Science and Mathematics, Lebanese American University, Beirut, Lebanon
6. Department of Mathematics, Near East University, TRNC, Mersin 10, Nicosia 99138, Turkey