Peixoto, Sandra Cadore, Adriano Teixeira, Anderson Maciel, Andressa Lara Markus, Luana Freitas, Matheus Severo Schalenberger, and Rodrigo Fernando dos Santos Salazar. 2016. “EVALUATION OF THE QUALITY OF WATER IN THE REGION OF SANTA MARIA”. Ciência E Natura 38 (1):443-52. https://doi.org/10.5902/2179460X19756.