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6
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Educational research : competencies for analysis and applications / L.R. Gay, Peter Airasian.
- 370.72 G2851 2003
- Gay, L. R.
- Merrill/Prentice Hall,
- c2003.
- Upper Saddle River, N.J. :
-
Educational research : competencies for analysis and applications / L.R. Gay, Geoffrey E. Mills, Peter Airasian.
- 370.72 G2851 2006
- Gay, L. R.
- Pearson Merrill Prentice Hall,
- c2006.
- Upper Saddle River, N.J. :
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Educational evaluation & measurement : competencies for analysis and application / L.R. Gay.
- 371.26 G2851
- Gay, L. R.
- Charles E. Merrill Publishing Company,
- c1980.
- Columbus :
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Professional supplement for educational research : competencies for analysis and application, third edition / L.R. Gay.
- 370.72 G2851 1987
- Gay, L. R.
- Merrill Pub. Co.,
- c1987.
- Columbus :
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Educational research : models for analysis and application / L.R. Gay.
- 370.72 G2851e
- Gay, L. R.
- Merrill,
- c1976.
- Columbus, Ohio :
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Educational research : competencies for analysis and applications / L.R. Gay, Geoffrey E. Mills, Peter Airasian.
- 370.72 G2851 2012
- Gay, L. R.
- Pearson,
- c2012.
- Boston :