Christensen, L. B. (2001). Experimental methodology (8th ed.). Allyn and Bacon.
Chicago Style aipamenaChristensen, Larry B. Experimental Methodology. 8th ed. Boston: Allyn and Bacon, 2001.
MLA aipamenaChristensen, Larry B. Experimental Methodology. 8th ed. Allyn and Bacon, 2001.
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