Rosa, Luis Artur Bernardes da, and Maria de Fátima Guimarães. “Socioeconomic Diagnosis in the Seven Rural Settlements in Tamarana - PR”. Semina: Ciências Agrárias, vol. 32, no. 3, Aug. 2011, pp. 809-28, doi:10.5433/1679-0359.2011v32n3p809.