@article{costa-souza_vieira-da-silva_pinell_2018,  title={A socio-historical approach to policy analysis: the case of the Brazilian Workers’ Food Policy},  volume={34},  ISSN={0102-311X},  url={https://doi.org/10.1590/0102-311X00140516},  DOI={10.1590/0102-311X00140516},  number={1},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Costa-Souza, Jamacy and Vieira-da-Silva, Ligia Maria and Pinell, Patrice},  year={2018},  pages={e00140516} }