Hartmann, S.M.G., Rozário, H. and Affonso, A.L.S. 2019. Impact assessment of an effluent discharge on benthic macroinvertebrates in a subtropical river using indexes. Acta Scientiarum. Biological Sciences. 41, 1 (Nov. 2019), e45536. DOI:https://doi.org/10.4025/actascibiolsci.v41i1.45536.