SANTOS, M.; ANTÓN RODRÍGUEZ , X.; MARTA-COSTA, A. Productive efficiency of wine grape producers in the North of Portugal. Wine Economics and Policy, [S. l.], v. 10, n. 2, p. 3–14, 2021. DOI: 10.36253/wep-8977. Disponível em: https://oaj.fupress.net/index.php/wep/article/view/8977. Acesso em: 30 apr. 2024.