1. Department of Mathematics, University of Science and Technology, Bannu, Pakistan
2. Institute of Research and Development of Processes, Faculty of Science and Technology, University of the Basque Country, Campus of Leioa, Bizkaia 48940, Leioa, Spain
3. Department of Computer Science, University of Science and Technology, Bannu, Pakistan
4. Department of Mathematics, Abdul Wali Khan University, Mardan, Pakistan