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The Impact of Sewage Effluent and Natural Self-purification in the Upper Chinyika River Below Hatcliffe Sewage Works, Harare.
(2012-08-28)
The impact of sewage effluent and natural self-purification in the upper Chinyika River was investigated during the period October 2004 to February 2005. The physico-chemical and river flow variables, and water samples, ...