1. Department of Mathematics and Statistics, IIUI, Islamabad, Pakistan
2. Department of Mathematics, Government Post Graduate Science College, Quetta, Pakistan
3. Center for Modeling & Computer Simulation, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
4. Center for Communications and IT Research, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
5. Department of Mathematics, Faculty of Sciences, HITEC University, Taxila, Pakistan