Mills, G. E., & Gay, L. R. (2019). Educational research: Competencies for analysis and applications (Twelfth edition.). Pearson.
Chicago Style (17. basım) AtıfMills, Geoffrey E., ve L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. NY, NY: Pearson, 2019.
MLA (8th ed.) AtıfMills, Geoffrey E., ve L. R. Gay. Educational Research: Competencies for Analysis and Applications. Twelfth edition. Pearson, 2019.
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