 |
| Angielski tezaurus | |||
| |||
| LDC (of National Work hour Reporting System) | |||
|
Labor Distribution : 5 do fraz, 3 tematyki |
| Bezpieczeństwo i higiena pracy | 1 |
| Ekonomia | 3 |
| Rolnictwo | 1 |
|
| Angielski tezaurus | |||
| |||
| LDC (of National Work hour Reporting System) | |||
|
Labor Distribution : 5 do fraz, 3 tematyki |
| Bezpieczeństwo i higiena pracy | 1 |
| Ekonomia | 3 |
| Rolnictwo | 1 |