| |||
| выбор из бесконечной совокупности | |||
|
sampling from infinite set : 2 phrases in 2 subjects |
| Mass media | 1 |
| Quality control and standards | 1 |
| |||
| выбор из бесконечной совокупности | |||
|
sampling from infinite set : 2 phrases in 2 subjects |
| Mass media | 1 |
| Quality control and standards | 1 |