| |||
| 科学技术发展委员会 (联合国) | |||
| Angielski tezaurus | |||
| |||
| CSTD | |||
|
Committee on Science and Technology for Development : 1 do fraz, 1 tematyki |
| Nauka o ziemi | 1 |
| |||
| 科学技术发展委员会 (联合国) | |||
| Angielski tezaurus | |||
| |||
| CSTD | |||
|
Committee on Science and Technology for Development : 1 do fraz, 1 tematyki |
| Nauka o ziemi | 1 |