Search Results - Gage, N. L. (Nathaniel Lees), 1917-

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    Experimental and quasi-experimental designs for research /

    Experimental and quasi-experimental designs for research / by Campbell, Donald Thomas, 1916-

    Published 1963
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    Experimental and quasi-experimental designs for research /

    Experimental and quasi-experimental designs for research / by Campbell, Donald Thomas, 1916-

    Published 1963
    Other Authors:
    Book
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