Search Results - Gay, L.R

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  1. 1

    Educational evaluation & measurement : competencies for analysis and application / by Gay, L.R

    Published 1980
    Book
  2. 2

    Educational research : competencies for analysis and application / by Gay, L.R

    Published 1987
    Book
  3. 3

    Educational evaluation & measurement : competencies for analysis and application / by Gay, L.R

    Published 1991
    Book