WICKREMERATNE , Naveen; PATABENDIGE, Randhi Jayasuriya. The Role of Progressive Income Tax in relation to Economic Development. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 58, n. 2, p. 133–143, 2021. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12665. Acesso em: 11 sep. 2025.