Prinsloo, S., R. Pieters, and C. Bezuidenhout. 2014. “Enzymolgy and Cytotoxicity of Pathogenic Heterotrophic Plate Count Bacteria Isolated from Untreated Drinking Water”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt; 33 (1), 2 bladsye. https://doi.org/10.4102/satnt.v33i1.1207.