@article{2012, volume={23}, ISSN={0103-7307}, url={https://doi.org/10.1590/S0103-73072012000100013}, DOI={10.1590/S0103-73072012000100013}, number={1}, journal={Pro-Posições}, publisher={UNICAMP - Faculdade de Educação}, year={2012}, month={Jan}, pages={199–202} }