Discours de la Directrice générale de l'UNESCO, Irina Bokova, à l'occasion de La semaine du son;UNESCO, le 18 janvier 2016
Electronic version only
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| Format: | programme and meeting document biblioteca |
| Language: | fre |
| Subjects: | Acoustics, Music, Noise pollution, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000243343 |
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