“SANTA FILOMENA – PIAUÍ, BRAZIL AND ITS EROSIVE VARIABILITY BY DIFFERENTIATED METHODS”. RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218, vol. 2, no. 8, Sept. 2021, p. e28642, https://doi.org/10.47820/recima21.v2i8.642.