Showing 1 - 2 results of 2 for search 'Oppenheim, A N', čas poizvedbe: 0.01s Refine Results
  1. 1
    Questionnaire design, interviewing and attitude measurement
    od Oppenheim, A N
    Izdano 1992
  2. 2
    Questionnaire design, interviewing and attitude measurement /
    od Oppenheim, A. N.
    Izdano 2005
    Printed Book
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