1. Department of Mathematics, Prince Sattam Bin Abdulaziz University, College of Science and Humanities, Al-Kharj, 11942 Saudi Arabia
2. Department of Mathematics, Aswan University, Faculty of Science, Aswan 81528, Egypt
3. Department of Basic Engineering Science, Faculty of Engineering, Menoufia University, Shebin El-Kom 32511, Egypt
4. Department of Mechanical Engineering, Cleveland State University, Cleveland, Ohio 44115, USA