Analysis of the potability of water from fountains in the Núcleo Velha Marabá, in the Municipality of Marabá, State of Pará, Brazil. RSD [Internet]. 2025 Feb. 27 [cited 2025 Jun. 28];14(2):e13214248300. Available from: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48300