Freire, R., Schneider, R.M., Freitas, F.H. de, Bonifácio, C.M. e Tavares, C.R.G. 2012. <b>Monitoring of toxic chemical in the basin of Maringá stream</b> - doi: 10.4025/actascitechnol.v34i3.10302. Acta Scientiarum. Technology. 34, 3 (fev. 2012), 295–302. DOI:https://doi.org/10.4025/actascitechnol.v34i3.10302.