1. Department of Mathematics and Statistics, Punjab Group of Colleges, Jhelum, Pakistan
2. Department of Mathematics and Statistics, FBAS, International Islamic University, Islamabad, Pakistan
3. Department of Mathematics, Division of Science and Technology, University of Education, Lahore, Pakistan
4. Department of Mathematics, Faculty of Science, Nonlinear Analysis and Applied Mathematics (NAAM)-Research Group, King Abdulaziz University, Jeddah, Saudi Arabia