@article{veiga_2009,  title={Indicadores socioambientais: evolução e perspectivas},  volume={29},  ISSN={0101-3157},  url={https://doi.org/10.1590/S0101-31572009000400007},  DOI={10.1590/S0101-31572009000400007},  number={4},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={Veiga, José Eli da},  year={2009},  month={Oct},  pages={421–435} }