Gilmar W. Siqueira, Fabio Aprile, Assad Darwich, Vanessa C. dos Santos, and Brena T. A. Menezes, “Environmental Diagnostic of the Aurá River Basin (Pará, Brazil): Water Pollution by Uncontrolled Landfill Waste”, Arch. Curr. Res. Int., vol. 5, no. 2, pp. 1–13, Aug. 2016.