@article{braga_grisa_2026,  title={The contributions of Public Food Procurement in the construction of Sustainable Food Systems: a methodological proposal},  volume={64},  ISSN={0103-2003},  url={https://doi.org/10.1590/1806-9479.2026.292633},  DOI={10.1590/1806-9479.2026.292633},  journal={Revista de Economia e Sociologia Rural},  publisher={Sociedade Brasileira de Economia e Sociologia Rural (SOBER)},  author={Braga, Camila Lago and Grisa, Cátia},  year={2026},  pages={e292633} }