Experimental and quasi-experimental designs for generalized causal inference.pdf
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Experimental and Quasi-Experimental Designs for Generalized Causal Inference Paperback – January 2, 2001
by William R. Shadish (Author), Thomas D. Cook (Author), Donald T. Campbell (Author)
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ISBN-13: 978-0395615560 ISBN-10: 0395615569 Edition: 2nd


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