 |
| |||
| for official use only; restricted | |||
|
a diffusione limitata : 4 do fraz, 4 tematyki |
| Ekonomia | 1 |
| Elektronika | 1 |
| Prawo | 1 |
| Rolnictwo | 1 |
|
| |||
| for official use only; restricted | |||
|
a diffusione limitata : 4 do fraz, 4 tematyki |
| Ekonomia | 1 |
| Elektronika | 1 |
| Prawo | 1 |
| Rolnictwo | 1 |