https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 The toxic effect of heavy metals on algal biomass (Spirulina sp.) and carbonic anhydrase activity, an enzyme which is central to algal application in metal precipitation https://vital.seals.ac.za/vital/access/manager/Repository/vital:4093 Wed 12 May 2021 17:08:01 SAST ]]> The development of sustainability criteria to facilitate the selection of sanitation technologies within the Buffalo City Municipality (Eastern Cape Province, South Africa) https://vital.seals.ac.za/vital/access/manager/Repository/vital:32275 Thu 13 May 2021 04:48:23 SAST ]]>