1. Institute of Numerical Sciences, Department of Mathematics, Gomal University, Dera Ismail Khan 29050, Pakistan
2. School of International Studies, Collaborative Innovation Center for Security and Development of Western Frontier China, Sichuan University, Chengdu, Sichuan 610065, China
3. Department of Marine Geology, King AbdulAziz University, Jeddah 21551, Saudi Arabia
4. The Higher Institute of Commercial Sciences, Algarbia, Al Mahalla Al Kubra 31951, Egypt