ECHÁNOVE HUACUJA, Flavia. Subsidies for Maize in Mexico: the Contract Farming Program. Geographicalia, [S. l.], n. 67, p. 53–76, 2015. DOI: 10.26754/ojs_geoph/geoph.2015671215. Disponível em: https://papiro.unizar.es/ojs/index.php/geographicalia/article/view/1215. Acesso em: 2 jan. 2026.