1. The actual and potential contribution of nature tourism in Zululand;Aylward,2003
2. Ecotourism's support of biodiversity conservation;Bookbinder;Conservation Biology,1998
3. Land cover in the Amazon estuary: linking of the thematic mapper with botanical and historical data;Brondizio;Photogrammetric Engineering and Remote Sensing,1996
4. Trees and savings and security of the rural poor;Chambers;Gatekeeper Series,1993
5. Roads, land use and deforestation: a spatial model applied to Belize;Chomitz;The World Bank Economic Review,1996