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Cognitive interviewing : a tool for improving questionnaire design /

Dades bibliogràfiques
Autor principal: Willis, Gordon B.
Format: Printed Book
Idioma:English
Publicat: Thousand Oaks, Calif. : Sage Publications, 2005.
Matèries:
Accés en línia:http://www.loc.gov/catdir/toc/ecip0418/2004013649.html
http://www.loc.gov/catdir/enhancements/fy0657/2004013649-d.html
http://www.loc.gov/catdir/enhancements/fy0734/2004013649-b.html