[1]
Mbangi, A. et al. 2018. Accumulation of multiple heavy metals in plants grown on soil treated with sewage sludge for more than 50 years presents health risks and an opportunity for phyto-remediation. Water SA. 44, 4 October (Oct. 2018). DOI:https://doi.org/10.4314/wsa.v44i4.06.