Peres, Marli Candalaft Alcantara Parra, Ricardo Ralisch, and Cristovon Videira Ripol. 2009. “Agricultural Development Plan: The Experience of Pitangueiras County, Parana”. Semina: Ciências Agrárias 30 (4Sup1):1219-26. https://doi.org/10.5433/1679-0359.2009v30n4Sup1p1219.