Conservation and management of tropical forests and biological diversity in Liberia
1988
Goodson, Jeffrey W. (Jeffrey Wiley) |
Environmental management
The Gambia natural resource management action program - Executive Summary
1989
Karch, G. Edward |
Arnould, Eric |
Seubert, Chris |
L'émergence des nouvelles politiques forestières en milieu rural dans les pays de la zone soudano - sahélienne
Bertrand, Alain |
Master land use plan - Ethiopia : main report
1988
Henricksen, B. L. |