@article{haddad_1986,  title={Para que servem os idosos?},  volume={3},  ISSN={0102-6445},  url={https://doi.org/10.1590/S0102-64451986000300008},  DOI={10.1590/S0102-64451986000300008},  number={2},  journal={Lua Nova: Revista de Cultura e Política},  publisher={CEDEC},  author={Haddad, Eneida Gonçalves de Macedo},  year={1986},  month={Dec},  pages={46–48} }