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Cărți de Eleanor Singer

Survey Methodology 2e

Wiley Series in Survey Methodology

Autor Eleanor Singer et al.

14 iul 2009

Preț: 586^.47 lei 724^.03 lei

3-5 săpt. | 7-13 zile

-19%

Methods for Testing and Evaluating Survey Questionnaires

Autor Stanley Presser et al.

23 iun 2004

Preț: 679^.10 lei 738^.15 lei

6-8 săpt.

-8%