Hits 11-16 within 14 documents
statistische Methode (1) |
Stichprobe (3) |
Stichprobenfehler (3) |
survey (1) |
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statistische Methode (1) |
Stichprobe (3) |
Stichprobenfehler (3) |
survey (1) |
survey research (14) |
Sweden (1) |