 |
| conference: 10 phrases in 5 subjects |
| Abbreviation | 6 |
| Ecology | 1 |
| International transportation | 1 |
| Non-governmental organizations | 1 |
| Technology | 1 |
|
| conference: 10 phrases in 5 subjects |
| Abbreviation | 6 |
| Ecology | 1 |
| International transportation | 1 |
| Non-governmental organizations | 1 |
| Technology | 1 |