1. Department of Mathematics and Statistics, FBAS, International Islamic University, Islamabad 44000, Pakistan
2. Department of Mathematics, College of Science and Arts in Ar Rass, Qassim University, Qassim, Saudi Arabia
3. Department of Marine Geology, Faculty of Marine Science, King Abdulaziz University, Jeddah 21551, Saudi Arabia
4. The Higher Institute of Commercial Sciences, Al Mahalla Al Kubra, Algarbia, 31951, Egypt