| |||
| work study | |||
|
исследование труда : 6 phrases in 5 subjects |
| Economics | 2 |
| Occupational health & safety | 1 |
| Sociology | 1 |
| Technology | 1 |
| Weapons of mass destruction | 1 |
| |||
| work study | |||
|
исследование труда : 6 phrases in 5 subjects |
| Economics | 2 |
| Occupational health & safety | 1 |
| Sociology | 1 |
| Technology | 1 |
| Weapons of mass destruction | 1 |