Showing 1 - 2 results of 2 for search 'Hursh, Gerald D.', query time: 0.02s Refine Results
  1. 1

    Survey research by Backstrom, Charles Herbert

    Published 1963
    Book

    Survey research
  2. 2

    Survey research by Backstrom, Charles Herbert, Hursh, Gerald D.

    Published 1963
    Book

    Survey research

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