OOSTHUIZEN, R. A Framework For The Income Tax Deductibility Of Intellectual Property Expenditure Incurred By South African Taxpayers. International Business & Economics Research Journal (IBER), [S. l.], v. 12, n. 3, p. 373–386, 2013. DOI: 10.19030/iber.v12i3.7680. Disponível em: https://clutejournals.com/index.php/IBER/article/view/7680. Acesso em: 17 jul. 2024.