Betânia Rodrigues Silva, Maria, et al. “ANALYSIS OF ENVIRONMENTAL DEGRADATION IN THE COURSE OF HIGH RIVER BASIN PARAÍBA - DOI 10.5216 bgg.V34i1.29314”. Goiano Bulletin of Geography, vol. 34, no. 1, Apr. 2014, pp. 35-53, doi:10.5216/bgg.v34i1.29314.