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Experimental and quasi-experimental designs for research / Donald T. Campbell, Julian C. Stanley.- Boston : Houghton Mifflin, c1963.- IX, 84 p. ; 24 cm
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- Campbell, Donald T.
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-40/1
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Ordina per:
no media
Experimental and quasi-experimental designs for research / Donald T. Campbell, Julian C. Stanley.- Boston : Houghton Mifflin, c1963.- IX, 84 p. ; 24 cm