Sax, G. (1989). Principles of educational and psychological measurement and evaluation (3rd ed.). Wadsworth Pub. Co.
Chicago Style (17th ed.) CitationSax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. 3rd ed. Belmont, Calif: Wadsworth Pub. Co, 1989.
ציטוט MLASax, Gilbert. Principles of Educational and Psychological Measurement and Evaluation. 3rd ed. Wadsworth Pub. Co, 1989.
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