Correa, Márcio Greyck Guimarães, and Emerson Galvani. “Spatial and Seasonal Variability of Rainfall in the Piquiri Watershed - PR”. Revista do Departamento de Geografia 34 (December 22, 2017): 21–30. Accessed March 10, 2025. https://periodicos.usp.br/rdg/article/view/123635.