Sourcebook of alternative technologies for freshwater augmentation in Africa
(Technical publication series, Issue 8a)
UNEP International Environmental Technology Centre, 1998
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"Prepared in collaboration with Institute of Water and Sanitation Development, Centre Regional pour L'Eau Potable et l'Assainissement a Faible Cout, Network for Water and Sanitation International Training, Research and Network for Development and the Water Branch of the United Nations Environment Programme"--On cover
UNEP International Environmental Technology Centre