Cunha Marques R, Garzón Contreras F. Performance-based Potable Water and Sewer Service Regulation.The Regulatory Model. Cuad Adm. [Internet]. 2007 Dec. 11 [cited 2025 May 24];20(34). Available from: https://revistas.javeriana.edu.co/index.php/cuadernos_admon/article/view/4054