Vizintim, Mirian, and José Pereira de Queiroz Neto. “Evaluation of Land Use in Cafezal Creek Basin - 1980 and 1987”. Semina: Ciências Agrárias, vol. 13, no. 1, Jan. 1992, pp. 24-31, doi:10.5433/1679-0359.1992v13n1p24.