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    Was Ist Eine Gute Frage?: Die systematische Evaluation der Fragenqualität (German Edition)
    New €37.99
    You save €28.00 (73%)
    Book€9.99
    You save €28.00 (73%)
    New €37.99€9.99

    Methodische Grundlagen der Umfrageforschung
    New €44.99
    You save €18.50 (41%)
    Book€26.49
    You save €18.50 (41%)
    New €44.99€26.49