1. Faculty of Engineering Technology, Amol University of Special Modern Technologies, Amol, Iran
2. Department of Mathematics, Faculty of Sciences, Gonbad Kavous University, Gonbad, Iran
3. Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran
4. Neighbourhood of Akcaglan, Imarli Street, Number: 28/4, 26030, Eskisehir, Turkey
5. Department of Mathematics, ÇAKU, Çankırı, Turkey