Voerkelius, S. (2000) “INVESTIGATIONS WATER MANAGEMENT AND WATER QUALITY IN PICOS/ PIAUÍ AND TAUÁ /CEARÁ WITHIN THE BILATERAL WAVES PROGRAM IN NORTHEAST BRAZIL”, Águas Subterrâneas. Disponível em: https://aguassubterraneas.emnuvens.com.br/asubterraneas/article/view/24306 (Acessado: 7 fevereiro 2025).