Les parcs nationaux : espaces protégés, espaces préservés.
1981
Avocat, Charles |
Case studies
Ecology in practice
1984
Di Castri, Francesco |
Baker, F. W. G. |
Hadley, M. |
Environment and development in Africa : selected case studies
1991
Blackwell, Jonathan |
Goodwillie, Roger N. |
Webb, Richard |
Living with wildlife : wildlife resource management with local participation in Africa
1990
Kiss, Agnes |
Soil erosion and strategic state policy : the case of Ethiopia
1986
Kuru, Assefa |
Technical report on the African elephant database
1991
Michelmore, Frances |
Oceanus : US marine sanctuaries
1988
Ryan, Paul R. |