WASET
     O. I. Nkwonta and  G. M. Ochieng,  Water Pollution in Soshanguve Environs of South Africa.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 245 - 249
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/3483.