Art of asking questions.
Payne S L.
Art of asking questions. - Princeton, New Jersey Princeton University Press, 1979 - 249p.
0691028214
Data Collection
Sampling Design andTechniques
Survey Techniques
WA 950: N79A: PAY
Art of asking questions. - Princeton, New Jersey Princeton University Press, 1979 - 249p.
0691028214
Data Collection
Sampling Design andTechniques
Survey Techniques
WA 950: N79A: PAY