The future of polar bears. Footprint reading library. 2200 headwords. Level B2
| Titolo | The future of polar bears. Footprint reading library. 2200 headwords. Level B2 |
| Curatore | R. Waring |
| Editore | Heinle Elt |
| Formato |
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| Lingua | inglese |
| Pubblicazione | 01/2009 |
| ISBN | 9781424022250 |

