Levin, Jonathan C, Darragh J Woodford, and Gavin C Snow. 2019. “Evaluating the Effectiveness of Freshwater Fishes As Bio-Indicators for Urban Impacts in the Crocodile (West) Catchment, South Africa”. Water SA 45 (3 July). https://doi.org/10.17159/wsa/2019.v45.i3.6745.