DU PLESSIS, C. S.; VAN ROOYEN, P. C. Grape Maturity and Wine Quality. South African Journal of Enology and Viticulture, [S. l.], v. 3, n. 2, p. 41–45, 2017. DOI: 10.21548/3-2-2380. Disponível em: https://www.journals.ac.za/sajev/article/view/2380. Acesso em: 28 feb. 2026.