E.M. da Matta, M. e A.Umbuzeiro, G. (2015) “Sewage sludge hazard index based on bioassays: strategic tool for the decision-making process on sludge agricultural use”, Revista Intertox de Toxicologia, Risco Ambiental e Sociedade, 7(2). doi: 10.22280/revintervol7ed2.174.