Please use this identifier to cite or link to this item:
http://thuvien.ued.udn.vn/handle/TVDHSPDN_123456789/39403| Title: | Keeping Track of Our Changing Environment - From Rio to Rio+20 (1992-2012) |
| Keywords: | Môi trường |
| Issue Date: | 2011 |
| Publisher: | United Nations Environment Programme |
| URI: | http://thuvien.ued.udn.vn/handle/TVDHSPDN_123456789/39403 |
| Appears in Collections: | Môi trường |
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