1. Guizhou Key Laboratory of Economics System Simulation, Guizhou University of Finance and Economics, Guiyang 550025, P. R. China
2. Guizhou Key Laboratory of Big Data Statistical Analysis, Guiyang 550025, P. R. China
3. Department of Mathematics, University of Malakand, Chakdara Dir (L), 18000 Khyber Pakhtunkhwa, Pakistan
4. Department of Mathematics, College of Science, King Khalid University, 61413 Abha, Saudi Arabia
5. Department of Computer Science and Mathematics, Lebanese American University, Beirut, Lebanon
6. Department of Mathematics, College of Science and Humanities in Al-Aflaj, Prince Sattam bin Abdulaziz University, Al-Aflaj 11942, Saudi Arabia
7. Administration Department, Administrative Science College, Thamar University, Dhamar, Yemen