DAVID JOUBERT. INCOME TAX: GROSS INCOME – CAPITAL VERSUS REVENUE, PROFIT-MAKING SCHEME OR FIXED/FLOATING-CAPITAL TEST?. Obiter, [S. l.], v. 30, n. 2, 2021. DOI: 10.17159/obiter.v30i2.12438. Disponível em: https://obiter.mandela.ac.za/article/view/12438. Acesso em: 29 apr. 2024.