VAN ZYL, D.; PUTH, G. Constructing a sophistication index as a method of market segmentation of commercial farming businesses in South Africa. Southern African Business Review, [S. l.], v. 19, n. 2, p. 99–117, 2015. DOI: 10.25159/1998-8125/5908. Disponível em: https://unisapressjournals.co.za/index.php/SABR/article/view/5908. Acesso em: 18 may. 2024.