Christensen, L. B. (1994). Experimental methodology (6th ed.). Allyn and Bacon.
Chicago Style (17th ed.) CitationChristensen, Larry B. Experimental Methodology. 6th ed. Boston: Allyn and Bacon, 1994.
ציטוט MLAChristensen, Larry B. Experimental Methodology. 6th ed. Allyn and Bacon, 1994.
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