Cărți de Thomas W. Mangione

Mail Surveys: Improving the Quality

Applied Social Research Methods, nr. 40

Autor Thomas W. Mangione

17 oct 1995

Preț: 640^.88 lei 753^.98 lei

6-8 săpt.

-15%

Standardized Survey Interviewing: Minimizing Interviewer-Related Error

Applied Social Research Methods, nr. 18

Autor Floyd J. Fowler et al.

29 ian 1990

Preț: 641^.36 lei 754^.54 lei

6-8 săpt.

-15%