Designing surveys: a guide to decisions and procedures/
Czaja, Ronald
Designing surveys: a guide to decisions and procedures/ Ronald Czaja and Johnny Blair - Second Edition ; - California: Sage Publications, c2005 - xii, 301 pages : 23 cm.
includes bibliographical references and index
Designing surveys: a guide to decisions and procedures/ Ronald Czaja and Johnny Blair - Second Edition ; - California: Sage Publications, c2005 - xii, 301 pages : 23 cm.
includes bibliographical references and index