STEENKAMP, L.-A. The Permanent Establishment Concept In Double Tax Agreements Between Developed And Developing Countries: Canada/South Africa As A Case In Point. International Business & Economics Research Journal (IBER), [S. l.], v. 13, n. 3, p. 539–552, 2014. DOI: 10.19030/iber.v13i3.8591. Disponível em: https://clutejournals.com/index.php/IBER/article/view/8591. Acesso em: 17 jul. 2024.