1. School of Energy and Power Engineering, Jiangsu University, Zhenjiang, People’s Republic of China
2. Department of Mathematics, Government College University, Faisalabad, Pakistan
3. Department of Mathematics and Applied Mathematics, Xiamen University Malaysia, Selangor, Malaysia
4. Department of Mathematics, College of Sciences, King Khalid University, Abha, Saudi Arabia
5. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia