On the work with children and youth /
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Foreign Languages Publ. House,
1978.
Pyongyang : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/65C6F96B-ADAA-4D96-BD64-E6BAFDF24801 |
| Published: | 1978. |
|---|