 | Primary School Agriculture: Volume I: Pedagogy (GTZ, 1985, 144 p.) |
 |  | Part II: Teaching methods |
| | 5. Special problems related to school farm work |
|
|
|
|
| Primary School Agriculture: Volume I: Pedagogy (GTZ, 1985, 144 p.) |
| | Part II: Teaching methods |
| | 5. Special problems related to school farm work |
|
|
|
|
|