1. Faculty of Engineering Technology , Amol University of Special Modern Technologies , Amol , Iran
2. Department of Applied Mathematics , Iran University of Science and Technology , Tehran , Iran
3. Department of Mathematics , COMSATS University Islamabad, Vehari Campus , Vehari , Pakistan
4. Neighbourhood of Akcaglan , Imarli Street , Number: 28/4, 26030 , Eskisehir , Turkey