353566 Christensen, L. B. (1997). Experimental methodology. Boston, MA : Allyn And Bacon.
Chicago-čujuhus (17. p.)353566 Christensen, Larry B. Experimental Methodology. Boston, MA : Allyn And Bacon, 1997.
MLA-čujuhus (9. p.)353566 Christensen, Larry B. Experimental Methodology. Boston, MA : Allyn And Bacon, 1997.
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