@article{serra_1993,  title={As vicissitudes do orçamento},  volume={13},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571993-0760},  DOI={10.1590/0101-31571993-0760},  number={4},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={SERRA, JOSÉ},  year={1993},  month={Oct},  pages={644–651} }