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official statistics (1) |
personal data (1) |
Personendaten (1) |
response behavior (2) |
sample (1) |
Stichprobe (1) |
survey research (2) |
Umfrageforschung (2) |
official statistics (1) |
personal data (1) |
Personendaten (1) |
response behavior (2) |
sample (1) |
Stichprobe (1) |
survey research (2) |
Umfrageforschung (2) |