1. Centro de informações estratégicas em vigilância em saúde (cievs). http://www.saude.gov.br/vigilancia-em-saude/emergencia-em-saude-publica/cievs
2. Choosing Colormaps in Matplotlib. https://matplotlib.org/3.3.1/tutorials/colors/colormaps.html
3. Matplotlib: Visualization with Python. https://matplotlib.org/
4. QGIS - A Free and Open Source Geographic Information System. https://qgis.org/en/site/#
5. Regular expressions reference. https://www.regular-expressions.info/reference.html