Gay, L. (1987). Educational research: Competencies for analysis and application (3rd.ed.). Merrill.
Chicago Style (17th ed.) CitationGay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Columbus: Merrill, 1987.
ציטוט MLAGay, L.R. Educational Research: Competencies for Analysis and Application. 3rd.ed. Merrill, 1987.
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