1. Department of Mathematics, University of Azad Jammu & Kashmir, Muzaffarabad 13100, Pakistan
2. Department of Mathematics, Namal University, Mianwali 42250, Pakistan
3. Department of Electrical Engineering, University of Azad Jammu & Kashmir, Muzaffarabad 13100, Pakistan
4. Material Science Innovation and Modelling (MaSIM), Research Focus Area, North-West University (Mafikeng Campus), Private Bag X2046, Mmabatho 2735, South Africa