| |||
| experiment | |||
| pilot (MichaelBurov) | |||
| development study (igisheva) | |||
| pilot study | |||
| a pilot study | |||
| exploratory test | |||
|
опытное исследование : 42 Phrasen in 22 Thematiken |
| |||
| experiment | |||
| pilot (MichaelBurov) | |||
| development study (igisheva) | |||
| pilot study | |||
| a pilot study | |||
| exploratory test | |||
|
опытное исследование : 42 Phrasen in 22 Thematiken |