Telefonische Enquetes

4 books
Telephone survey methodsPaul J. Lavrakas
⏱ 2h 49m

Telephone survey methods

Paul J. Lavrakas

1987169 pp.
Advances in telephone survey methodologyJames M. Lepkowski
⏱ 11h 34m

Advances in telephone survey methodology

James M. Lepkowski

2007694 pp.
Surveys by telephoneRobert M. Groves
⏱ 6h 10m

Surveys by telephone

Robert M. Groves

1979370 pp.
Telephone survey methodologyRobert M. Groves
⏱ 9h 41m

Telephone survey methodology

Robert M. Groves

1988581 pp.