 |
| |||
| differentieringsprincippet; princippet om differentiering | |||
|
differentiation principle : 3 a las frases, 1 temas |
| General | 3 |
|
| |||
| differentieringsprincippet; princippet om differentiering | |||
|
differentiation principle : 3 a las frases, 1 temas |
| General | 3 |