Assessment of heavy metal pollution/contamination in soils east and west of the Bamangwato Concessions Ltd (BCL) Cu/Ni mine smelter in Selebi-Phikwe, Botswana Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Raviro Vurayai, Bonang Nkoane, Baleseng Moseki, Padmaja Chaturvedi Subject(s): Biological Sciences, Environmental Sciences, Biology