@article{maldonado filho_2009,  title={
       },  volume={19},  ISSN={0103-6351},  url={https://doi.org/10.1590/S0103-63512009000200006},  DOI={10.1590/S0103-63512009000200006},  number={2},  journal={Nova Economia},  publisher={Nova Economia},  author={Maldonado Filho, Eduardo},  year={2009},  month={May},  pages={361–369} }