Rodrigues, Luís, Carlos Russo Machado, and Nelson Lourenço. “Social Networks and the Management of Water Resources for Agriculture in Rio Caia Catchment (Portugal)”. Italian Journal of Agronomy 1, no. 4 (December 20, 2006): 741–756. Accessed June 13, 2025. https://agronomy.pagepress.org/index.php/agro/article/view/ija.2006.741.