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Survey Methodology
Roger Tourangeau, James M. Lepkowski, Floyd J. Fowler, Mick P. Couper, Eleanor Singer, Robert M. Groves
148,77 €
212,53 €
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Methods for Testing and Evaluating Survey Questionnaires
Judith T Lessler, Mick P Couper, Elizabeth Martin, Jean Martin, Stanley Presser, Jennifer M Rothgeb, Eleanor Singer
142,19 €
203,13 €
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