Judith T Lessler grāmatas
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-30%
Nonsampling Error in Surveys
Judith T Lessler, William D Kalsbeek
335,38 €
479,12 €
-30% ar kodu BOOKS
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-30%
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 €
-30% ar kodu BOOKS
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