Action for protected areas in the UK : a response to Parks for life
1997
Clark, Aitken |
Darby, Adrian |
Royal Society for the Protection of Birds, UK
The Hadejia-Nguru wetlands : environment, economy and sustainable development of a Sahelian floodplain wetland
1993
Hollis, G. E. |
Adams, W. M. (William Mark) |
Aminu-Kano, M. |