Hirji Rafik. Defining and Mainstreaming Environmental Sustainability in Water Resources Management in Southern Africa : a sadc technical report to inform and guide water resources policy investments. - ed. - Harare : SADC, IUCN, SARDC, 2002. - 318 p. : ill ; cm. Includes Glossary. ISBN: 1779100183 : $ Subjects--Topical Terms: Geography--Environmental Science.