Showing 1 - 3 results of 3 for search 'DeVellis, Robert F.', query time: 1.79s Refine Results
  1. 1
    Scale development : theory and applications /

    Scale development : theory and applications / by DeVellis, Robert F.

    Published 1991
    Book

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  2. 2
    Scale development : theory and applications /

    Scale development : theory and applications / by DeVellis, Robert F.

    Published 2003
    Book

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  3. 3
    Scale development : theory and applications /

    Scale development : theory and applications / by DeVellis, Robert F.

    Published 2017
    Book

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