WASET
Edokpayi, J. , Odiyo, J. , Shikwambana, P.. "Seasonal Variation of the Impact of Mining Activities on Ga-Selati River in Limpopo Province, South Africa". World Academy of Science, Engineering and Technology, Open Science Index 110, International Journal of Biological and Ecological Engineering, (2016), 10(2), 156 - 161.