GRATER, S.; STEENKAMP, E.; VIVIERS, W.; CUYVERS, L. Combining the export promotion of products and services: the case of South Africa. Southern African Business Review, [S. l.], v. 18, n. 3, p. 93–118, 2014. DOI: 10.25159/1998-8125/5687. Disponível em: https://unisapressjournals.co.za/index.php/SABR/article/view/5687. Acesso em: 9 may. 2024.