On improving land management :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Foreign Languages Publishing House,
1989.
Pyongyang : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/3F310A99-4C22-43A5-B147-63A0CF155597 |
| Published: | 1989. |
|---|