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Water use Eastern Botswana : policy guide and summary of the water points survey
Roe, Emery, (1981)
The water-related Sustainable Development Goals in the Arab region
(2019)
Comparison of water use in Botswana, Namibia and South Africa
Lange, Glenn-Marie, (2006)
International trade and sustainable development : [IVM, GATT, OECD, UNCTAD]
Arntzen, Jaap W., (1992)
Ecological change and distribution in Southern African rangelands
Arntzen, Jaap W., (1996)
Economic valuation of communal rangelands in Botswana : a case study
Arntzen, Jaap W., (1998)