KREMER, P.; SCHREUDER, Y. The Feasibility of Regional Food Systems in Metropolitan Areas: An Investigation of Philadelphia’s Foodshed. Journal of Agriculture, Food Systems, and Community Development, Ithaca, NY, USA, v. 2, n. 2, p. 171–191, 2012. DOI: 10.5304/jafscd.2012.022.005. Disponível em: https://foodsystemsjournal.org/index.php/fsj/article/view/94. Acesso em: 18 jan. 2022.