Sousa, I. D. S. de, G. P. de S. Veloso, and L. J. B. da S. Dias. “Urbanization and Environmental Disruption of Catchment Basins As a Result of Housing Development at Cidade Operária and Adjacencies, Maranhão Island”. Sociedade & Natureza, vol. 1, no. 1, May 2005, doi:10.14393/SN-v1-2005-9798.