@article{masteghin_gonçalves_silveira_cunha_oliveira_2026,  title={Gray water footprint-based water quality sustainability indices: an innovative approach for river basins},  volume={31},  ISSN={2318-0331},  url={https://doi.org/10.1590/2318-0331.312620250144},  DOI={10.1590/2318-0331.312620250144},  journal={RBRH},  publisher={Associação Brasileira de Recursos Hídricos},  author={Masteghin, Lígia Tambasco and Gonçalves, Flávio Aparecido and Silveira, Alexandre and Cunha, Fernando França da and Oliveira, Job Teixeira de},  year={2026},  pages={e03} }