MapBiomas data is public and free of charge by merely referring to the source in the following format: "MapBiomas Project - Collection [version] of the Annual Land Use Land Cover Maps of Brazil, accessed on [date] through the link: [LINK]"

Or visit aqui the scientific article:  Souza at. al. (2020) – Reconstructing Three Decades of Land Use and Land Cover Changes in Brazilian Biomes with Landsat Archive and Earth Engine – Remote Sensing, Volume 12, Issue 17, 10.3390/rs12172735

The complete project description can be found at http://brasil.mapbiomas.org“