 |
| |||
| self-instruction system; self-instruction | |||
| self-learning | |||
|
autoaprendizaje : 6 do fraz, 4 tematyki |
| Edukacja | 3 |
| Rolnictwo | 1 |
| Technika i technologia | 1 |
| Technologia informacyjna | 1 |
|
| |||
| self-instruction system; self-instruction | |||
| self-learning | |||
|
autoaprendizaje : 6 do fraz, 4 tematyki |
| Edukacja | 3 |
| Rolnictwo | 1 |
| Technika i technologia | 1 |
| Technologia informacyjna | 1 |