CHRISTENSEN, L.; JABLONSKI, B. B. R.; STEPHENS, L.; JOSHI, A. Evaluating the Economic Impacts of Farm-to-school Procurement: An Approach for Primary and Secondary Financial Data Collection of Producers Selling to Schools. Journal of Agriculture, Food Systems, and Community Development, Ithaca, NY, USA, v. 8, n. C, p. 73–94, 2018. DOI: 10.5304/jafscd.2019.08C.002. Disponível em: https://www.foodsystemsjournal.org/index.php/fsj/article/view/656. Acesso em: 5 feb. 2023.