2 results Refine Results
  1. 1
    by Warwick, Donald P.
    Published 1975
    “...HN 29 .W299...”
    Book
    Save to List
    Saved in:
    The sample survey : theory and practice /
  2. 2
    “...H 61.28 .W734 2005...”
    Book
    Save to List
    Saved in:
    Cognitive interviewing : a tool for improving questionnaire design /

Search Tools: