Hendradijaya, H. ., and M. . Djayasinga. “The Influence of Informal Economy, Corruption, and Economic Freedom on Tax Revenue (Case Study: 35 World Countries, Period 2000-2020)”. International Journal of Economics, Management and Accounting (IJEMA), vol. 1, no. 10, Mar. 2024, pp. 807-14, doi:10.47353/ijema.v1i10.115.