1. Department of Mathematical, Gomal University, Dera Ismail Khan 29050, Pakistan
2. Doctoral School of Mathematics and Informatics, University of Bordeaux, France
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