IKERD, J. THE ECONOMIC PAMPHLETEER: Cooperation: The Key to Sustainable Livelihoods in Food Systems. Journal of Agriculture, Food Systems, and Community Development, Ithaca, NY, USA, v. 3, n. 1, p. 9–11, 2012. DOI: 10.5304/jafscd.2012.031.005. Disponível em: https://www.foodsystemsjournal.org/index.php/fsj/article/view/133. Acesso em: 25 jul. 2021.