Projet de gestion des ressources naturelles dans le sud-Burkina GRENASUB
1991
Sustainable development
Démographie et ressources naturelles
1991
Tiega, Anada |
Indigenous conservation in the modern world : case studies in resource exploitation, traditional practice, and sustainable development : draft
1994
Williams, John S. |
Hulm, Peter |
Regional programme on natural resource management for sustainable development in central America
1992
L'UICN au Sahel : rapport de la mission d'appréciation du "Programme Sahel"
1992
Denève, Robert |
Mount Elgon conservation and development project, Uganda : evaluation mission
1993
Stocking, Michael A. |