1. College of Economic and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, P. R. China
2. Department of Mathematics, Riphah International University Lahore Campus, Lahore 54000, Pakistan
3. Department of Mathematics and Statistics, International Islamic University Islamabad Islamabad, 44000, Pakistan
4. School of Mathematics, Thapar Institute of Engineering & Technology, Deemed University, Patiala 147004, Punjab, India
5. Laboratory of Pure and Applied Mathematics, Department of Mathematics, Med Boudiaf University of Msila, Ichbilia, Msila 28000, Algeria
6. School of Business, Ningbo University, Ningbo 315100, P. R. China
7. Research Institute of Extenics and Innovation Methods, Guangdong University of Technology, Guangzhou 510006, P. R. China