 |
| |||
| major study (Sergei Aprelikov) | |||
| масштабное исследование: 10 phrases in 8 subjects |
| Aviation | 1 |
| Business | 1 |
| Energy industry | 1 |
| Geophysics | 1 |
| Hydraulic engineering | 3 |
| Nautical | 1 |
| Programming | 1 |
| Technology | 1 |
|
| |||
| major study (Sergei Aprelikov) | |||
| масштабное исследование: 10 phrases in 8 subjects |
| Aviation | 1 |
| Business | 1 |
| Energy industry | 1 |
| Geophysics | 1 |
| Hydraulic engineering | 3 |
| Nautical | 1 |
| Programming | 1 |
| Technology | 1 |