1. School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei 230601, China
2. School of Mathematics and Physics, Anhui Jianzhu University, Hefei 230601, China
3. Department of Mathematics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
4. Division of Science and Technology, University of Education, Lahore 54000, Pakistan