SANJUAN, Y. The common agricultural policy in the upper guadiana: evolution of water resources and crops. Cuadernos de Investigación Geográfica, Logroño, SPA, v. 39, n. 2, p. 359–389, 2013. DOI: 10.18172/cig.1995. Disponível em: https://publicaciones.unirioja.es/ojs/index.php/cig/article/view/1995. Acesso em: 1 may. 2024.