 |
| |||
| purposive sampling | |||
|
目的 抽样 : 8 phrases in 8 subjects |
| Accounting | 1 |
| Animal husbandry | 1 |
| Business | 1 |
| Demography | 1 |
| Economics | 1 |
| International trade | 1 |
| Quality control and standards | 1 |
| Sociology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips