1. Department of Mathematics, University of Management and Technology, Lahore, Pakistan
2. Nonlinear Analysis Group (NAG), Mathematics Department, Virtual University of Pakistan, Lahore, Pakistan
3. Faculty of Technical Physics, Information Technology and Applied Mathematics, Lodz University of Technology, Lodz, Poland
4. Institute for Groundwater Studies, University of the Free State, South Africa
5. Department of Mathematics, Faculty of Sciences, Van Yuzuncu Yil University, 65080, Van, Turkey