Reis, L.C. et al. 2009. Diagnosis of the permanent preservation areas in the watersheds of municipal district of Bandeirantes, Paraná, Brazil. Semina: Ciências Agrárias. 30, 3 (Oct. 2009), 527–536. DOI:https://doi.org/10.5433/1679-0359.2009v30n3p527.