Biblio

S. Africa. De ZA, «Learning and sharing for sustainable water supply and sanitation : synopsis of conference on appropriate technologies for sustainable water supply and sanitation services, Gauteng, South Africa, 21-23 November 2001». South Africa, Department of Water Affairs and Forestry, Pretoria, South Africa, p. 31 p. : boxes, photogr., 2002.

S. Africa. De ZA, «South African water services sector support programme : multi-annual action plan northen province». South Africa, Department of Water Affairs and Forestry, Pretoria, South Africa, p. 120 p., 2000.