1. School of Economics, Fujian Normal University, Fuzhou 350007, China
2. College of Computer Engineering and Sciences, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
3. Department of Mathematics, Faculty of Arts and Science, Yildiz Technical University, Esenler 34210, Istanbul, Turkey
4. Multidisciplinary Center for Infrastructure Engineering, Shenyang University of Technology, Shenyang 110870, China
5. Faculty of Organizational Sciences, University of Belgrade, 11000 Belgrade, Serbia
6. College of Education, Applied Sciences and Arts Amran University, Amran, Yemen