@article{costa filho_2020,  title={Traditional peoples and communities in Brazil: the work of the anthropologist, political regression and the threat to rights},  volume={17},  ISSN={1809-4341},  url={https://doi.org/10.1590/1809-43412020v17d450},  DOI={10.1590/1809-43412020v17d450},  journal={Vibrant: Virtual Brazilian Anthropology},  publisher={Associação Brasileira de Antropologia (ABA)},  author={Costa Filho, Aderval},  year={2020},  pages={e17450} }