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Challenges in management of shared water basins : zambezi river basin in Southern Africa and implementation of ZACPLAN | Bok | 627(6) A Aasand, Fred Ivar / - Oslo : Cesar, 1996. - 98 s. - Språk: Engelsk | Aasand, Fred Ivar | 1996 |
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Water, sanitation and sustainable development : the challenge of cities in developing countries | Bok | 556(06) W Paris : UNESCO, 2004. - 158 s. - Språk: Engelsk | | 2004 |