1. Department of Mathematics, Quaid-I-Azam University, Islamabad, Pakistan
2. Department of Mathematics College of Science and Arts, King Khalid University, Abha, Saudi Arabia
3. Section of Mathematics, International Telematic University Uninettuno, Roma, Italy
4. Department of Mathematics, Riphah International University, Faisalabad, Pakistan
5. Department of Mathematics and Statistics, College of Science, Taif University, Taif, Saudi Arabia
6. Mechanical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi addawaser 11991, Saudi Arabia
7. Production Engineering and Mechanical Design Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt