|
performance efficiency : 8 phrases in 6 subjects |
| Aviation | 3 |
| Aviation medicine | 1 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 1 |
| Psychology | 1 |
|
performance efficiency : 8 phrases in 6 subjects |
| Aviation | 3 |
| Aviation medicine | 1 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 1 |
| Psychology | 1 |