Ferraro Júnior, Luiz Antonio, Marcel Bursztyn, and José Augusto Drummond. “Sustainability of the Remaining Agricultural Commons in the Brazilian Northeast: Challenges Beyond Management”. DIE ERDE – Journal of the Geographical Society of Berlin 148, no. 2-3 (September 27, 2017): 150–166. Accessed April 23, 2024. https://www.die-erde.org/index.php/die-erde/article/view/269.