C. H. da Graça, H. Silveira, and P. M. de B. Terassi, “Mapping of areas with potential risk of soil erosion in the municipality of Marialva - Paraná”, Atelie Geogr., vol. 8, no. 2, pp. 108–129, Oct. 2014, doi: 10.5216/ag.v8i2.24019.