@article{ioris_2019,  title={Political agency of indigenous peoples: the Guarani-Kaiowa’s fight for survival and recognition},  volume={16},  ISSN={1809-4341},  url={https://doi.org/10.1590/1809-43412019v16a207},  DOI={10.1590/1809-43412019v16a207},  journal={Vibrant: Virtual Brazilian Anthropology},  publisher={Associação Brasileira de Antropologia (ABA)},  author={Ioris, Antonio A. R.},  year={2019},  pages={e16207} }