Préparation d'une stratégie de conservation et de gestion des aires protégées : analyses économiques
1994
IUCN
IUCN and the eastern Europe. A review
1987
Rennie, J. K. |
Ethnobotany in Madagascar : overview, action plan, database
1985
Plotkin, Mark J. |
Randrianasolo, Voara |
Sussman, Linda |
Marshall, Nina T. |
Towards implementation of the World Commission on Environment and Development recommendations for world fisheries conservation and sustainable development (including a programme proposal for the African region)
1987
Bernacsek, G. M. |