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Was Ist Eine Gute Frage?: Die systematische Evaluation der Fragenqualität (German Edition)
New €37.99
You save €32.30 (85%)
Book€5.69
You save €32.30 (85%)
New €37.99€5.69

Methodische Grundlagen der Umfrageforschung
New €44.99
You save €13.00 (28%)
Book€31.99
You save €13.00 (28%)
New €44.99€31.99