@article{kerstenetzky_uchôa_silva_2015,  title={The Elusive New Middle Class in Brazil},  volume={9},  ISSN={1981-3821},  url={https://doi.org/10.1590/1981-38212015000300018},  DOI={10.1590/1981-38212015000300018},  number={3},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Kerstenetzky, Celia Lessa and Uchôa, Christiane and Silva, Nelson do Valle},  year={2015},  month={Sep},  pages={21–41} }