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  1. 1

    Experimental and Quasi-experimental Designs for Generalized Causal Inference (2ND 02 Edition)

    William R. Shadish / Houghton Mifflin Company
    New Trade Paper  /  General - General
    $177.90 $195.95


  2. 2

    Foundations of Program Evaluation: Theories of Practice

    William R. Shadish / Sage Publications
    New Trade Paper  /  Science Reference - Technology
    $87.75 $101.00


  3. 3

    Evaluation Studies Review Annual, Vol. 12

    William R Shadish


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