@article{dutra_freitas_hamdan_libanio_2026,  title={Evaluation of sewage system management in a large Brazilian city following a public–private partnership},  volume={31},  ISSN={1413-4152},  url={https://doi.org/10.1590/S1413-415220250144},  DOI={10.1590/S1413-415220250144},  journal={Engenharia Sanitaria e Ambiental},  publisher={Associação Brasileira de Engenharia Sanitária e Ambiental - ABES},  author={Dutra, Mariangela and Freitas, Kézia Evangelista de and Hamdan, Otávio Henrique Campos and Libanio, Marcelo},  year={2026},  pages={e20250144} }