Water supply and sewage services regulation indicators in poverty areas: structure and application process in Cubatão-SP, Brazil - Rasera, Denise; Mendes, Tassia Gaspar; Cetrulo, Tiago Balieiro; Yoshii, Maria Paula Cardoso; Malheiros, Tadeu Fabricio; Moreira, Rodrigo Martins; Mendizábal Cortés, Alejandra Daniela; Guimarães, Ester Feche (Revista Ambiente & Sociedade, 2017)