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Protected areas in the future : the implications of change, and the need for new policies Holdgate, Martin W. |
Managing the world's forests : looking for balance between conservation and development 1992 Sharma, Narendra P. |
Sustainable agriculture in semi-arid areas : with special reference to the Tswapong Hills area in Botswana 1989 Manintveld, Kees |
African biodiversity : foundation for the future. A framework for integrating biodiversity conservation and sustainable development 1993
Towards sustainable development : fourteen case-studies prepared by African and Asian journalists for the Nordic Conference on Environment and Development at Saltsjöbaden, Stockholm, 8-10 May 1987 1987 Carim, Enver | Barnard, Geoffrey | Foley, Gerald |