Cognitive interviewing : a tool for improving questionnaire design /
36
Main Author: | |
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Format: | |
Language: | eng |
Published: |
Thousand Oaks, Calif. : Sage Publications,
2005
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Subjects: |
36
Main Author: | |
---|---|
Format: | |
Language: | eng |
Published: |
Thousand Oaks, Calif. : Sage Publications,
2005
|
Subjects: |