1. Institute of Computing Science and Technology, Guangzhou University, Guangzhou 510006, China
2. Department of Mathematics, University of Education, Vihari Campus, Pakistan
3. Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Pakistan
4. Department of Mathematics, Lahore Leads University, Lahore, Pakistan
5. Division of Science and Technology, University of Education, Lahore, Pakistan
6. Department of Applied Mathematics, Iran University of Science and Technology (IUST), Narmak, 16844 Tehran, Iran