Mail and telephone surveys : the total design method.
Dillman, Don A.
Mail and telephone surveys : the total design method. - New York : Wiley - Interscience, 1978. - xvi, 325p. : ill.
Includes bibliographical references and index.
0471215554
Social surveys.
Questionnaires.
Social surveys.
Mail and telephone surveys : the total design method. - New York : Wiley - Interscience, 1978. - xvi, 325p. : ill.
Includes bibliographical references and index.
0471215554
Social surveys.
Questionnaires.
Social surveys.