1. Department of Mathematics, Science Faculty, Federal University Dutse, Jigawa 7156, Nigeria
2. Department of Mathematics, Science Faculty, Firat University, Elazig 23000, Turkey
3. Department of Computer Engineering, Istanbul Gelisim University, Istanbul, Turkey
4. Department of Mathematics, Science Faculty, Cankaya University, Ankara 06010, Turkey
5. Institute of Space Sciences, Magurele 077126, Romania