| |||
| метод формирования выборки (pewresearch.org Alex_Odeychuk) | |||
|
method for recruiting a random sample : 2 phrases in 1 subject |
| Survey | 2 |
| |||
| метод формирования выборки (pewresearch.org Alex_Odeychuk) | |||
|
method for recruiting a random sample : 2 phrases in 1 subject |
| Survey | 2 |