1. Department of Physics and Engineering Mathematics, Higher Institute of Engineering, El Shorouk Academy, Cairo, Egypt
2. Department of Engineering Sciences, Faculty of Technology and Engineering, University of Guilan, Rudsar-Vajargah, East of Guilan, Iran
3. Department of Mathematics Computer, Faculty of Art Science, Eskişehir Osmangazi University, Eşkisehir, Turkey
4. Department of Mathematics, Lafayette College, Easton, PA, USA