1. College of Information Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
2. Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
3. School of Mathematics, Thapar Institute of Engineering and Technology (Deemed University), Patiala 147004, Punjab, India
4. Department of Mathematics, Graphic Era Deemed to be University, Dehradun 248002, Uttarakhand, India
5. Applied Science Research Center, Applied Science Private University, Amman 11931, Jordan
6. College of Technical Engineering, The Islamic University, Najaf, Iraq
7. School of Economics and Management, Jilin Agriculture University, Changchun 130033, China
8. School of Economics and Statistics, Guangzhou University, Guangzhou 510006, China