KHWIDZHILI, R.; WORTH, S. Evaluation of policies promoting sustainable agriculture in South Africa. South African Journal of Agricultural Extension, [S. l.], v. 45, n. 2, p. 73–85, 2018. DOI: 10.17159/2413-3221/2017/v45n2a443. Disponível em: https://www.ajol.info/index.php/sajae/article/view/167350. Acesso em: 9 oct. 2026.