Showing 1 - 10 results of 10 for search '', query time: 0.05s Refine Results
  1. 1
    by Sommer, Robert
    Published 2002
    Book
  2. 2
    by Pedhazur, Elazar J.
    Published 1991
    Book
  3. 3
    by Gerring, John, 1962-
    Published 2007
    Book
  4. 4
  5. 5
    Book
  6. 6
    by Creswell, John W.
    Published 2011
    Book
  7. 7
    by Braun, Virginia
    Published 2013
    Book
  8. 8
    Book
  9. 9
  10. 10
    Published 1975
    Journal
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