Zen yang zuo diao cha yan jiu he tong ji /
怎様做調查研究和統計 /
怎樣做調查研究和統計/
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Chinese |
| Published: |
Beijing :
Ren min chu ban she,
1951
Beijing : 1951 |
| Edition: | Xiu ding 4 ban |
| Subjects: |