The effect of industrial effluent and leachate from landfills on the levels of selected trace heavy metals in the waters of Upper and middle Mukuvisi river in Harare, Zimbabwe

by Mark F. Zaranyika, L. Mtetwa, S. Zvomuya, G. Gongoraand, A.S. Mathuthu
Published 1993-01-01

River pollution in developing countries - a case study effect of waste discharges on quality of ruiruaka river waters in Kenya

by R.W. Odipo, A.S. Mathuthu, S.B. Jonnalagadda, S.O. Wandiga
Published 1990-01-01