@article{matos_2019,  title={Brazilian regionalization in the first half of the 20<sup>th</sup> century},  volume={31},  ISSN={1982-4513},  url={https://doi.org/10.14393/SN-v31n1-2019-46576},  DOI={10.14393/SN-v31n1-2019-46576},  journal={Sociedade & Natureza},  publisher={Editora da Universidade Federal de Uberlândia - EDUFU},  author={Matos, Fábio de Oliveira},  year={2019},  pages={e46576} }