Shifting sands
Published in 32 languages and in Braille
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Main Author: | |
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Format: | article biblioteca |
Language: | eng ara chi rus |
Subjects: | Desertification, Grazing land, Soil degradation, Soil fertility, Soil erosion, Saline soils, Water supply, |
Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000094255 |
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Summary: | Published in 32 languages and in Braille |
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