Rufi, M., Yunus, M. A., Mahadianto, M. Y. and Basuki, A. (2025) β€œThe Effectiveness of Article 21 Corporate Income Tax Revenues Using Progressive Calculation Based on the Average Effective Rate (AER) in 2023–2024 ”, Journal of World Science, 4(8), pp. 1075–1082. doi: 10.58344/jws.v4i8.1471.