@article{silva_castro junior_costa_andrade_2014,  title={Determinant factors in adopting socio-environmental certifications in coffee farms¹},  volume={52},  ISSN={0103-2003},  url={https://doi.org/10.1590/S0103-20032014000300002},  DOI={10.1590/S0103-20032014000300002},  number={3},  journal={Revista de Economia e Sociologia Rural},  publisher={Sociedade Brasileira de Economia e Sociologia Rural (SOBER)},  author={Silva, Eduardo Cesar and Castro Junior, Luiz Gonzaga and Costa, Cássio Henrique Garcia and Andrade, Fabrício Teixeira},  year={2014},  month={Jul},  pages={437–448} }