1. School of Statistics and Applied Mathematics, Anhui University of Finance and Economics, Bengbu 233030, China
2. Department of Mathematics, Riphah International University, Faisalabad Campus, Pakistan
3. Department of Mathematics, Shiblee College, Faisalabad, Pakistan
4. Department of Mechanical Engineering, College of Engineering, Qassim University, Unaizah, Saudi Arabia
5. School of Mathematics and Physics, Anhui Jianzhu University, Hefei 230601, China