Message de M. Koïchiro Matsuura, Directeur général de l'UNESCO, à l'occasion de la Journée mondiale de la lutte contre la désertification et la sécheresse
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| Format: | programme and meeting document biblioteca |
| Language: | fre |
| Subjects: | Drought, Desertification, Environmental conservation, World Day to Combat Desertification and Drought, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000183570_fre |
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