Gordon B. Willis - books and biography
Gordon B. Willis - books and biography
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Paper book «Cognitive Interviewing: A Tool for Improving Questionnaire Design», author Gordon B. Willis – фото №1
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Paper book «Question Evaluation Methods: Contributing to the Science of Data Quality», authors Aaron Maitland, Gordon B. Willis, Jennifer Madans, Kristen Miller – фото №1
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Question Evaluation Methods: Contributing to the Science of Data Quality
Aaron Maitland Aaron Maitland, Gordon B. Willis, Jennifer Madans, Kristen Miller
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