Hendradijaya, Herza, and Marselina 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) 1, no. 10 (March 31, 2024): 807–814. Accessed July 6, 2024. https://ij.lafadzpublishing.com/index.php/IJEMA/article/view/115.