Desertification control bulletin A Bulletin of world events in the control of desertification, restoration of degraded lands and reforestation
| Байгууллагын зохиогч: | |
|---|---|
| Формат: | Ном |
| Хэл сонгох: | English |
| Хэвлэсэн: |
Nairobi
UNEP
1988
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| Нөхцлүүд: |
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