1. Department of Mathematics & Statistics, Hazara University, Manshera, Pakistan
2. Department of Mathematics and Statistics, Quaid-e-Awam University of Engineering, Sciences and Technology, Nawabshah, Pakistan
3. Department of ECE, Karunya Institute of Technology and Sciences, Coimbatore, India
4. Faculty of Engineering and Technology, Future University, Cairo, Egypt
5. Department of Basic Science, Faculty of Engineering at Benha, Benha University, Banh, Egypt
6. Department of Mathematics, Faculty of Engineering at Zagazig, Zagazig University, Zagazig, Egypt