Eyal Kurzbaum, Felix Kirzhner, and Robert Armon. 2016. “Performance Comparison of Plant Root Biofilm, Gravel Attached Biofilm and Planktonic Microbial Populations, in Phenol Removal Within a Constructed Wetland Wastewater Treatment System”. Water SA 42 (1 January). https://doi.org/10.4314/wsa.v42i1.17.