E. Adôrno, E. Sacramento dos Santos, and T. Bomfim de Jesus, “GIS AND LINEAR REGRESSION FOR ENVIRONMENTAL ASSESSMENT OF THE RIVER “SUBAÉ” SOURCES IN ‘FEIRA DE SANTANA /BA’ CITY - DOI 10.5216/bgg.v33i2.25557”, BGG, vol. 33, no. 2, pp. 221–238, Jul. 2013, doi: 10.5216/bgg.v33i2.25557.