Shadish, William R. <br/><br/>
Experimental and quasi-experimental designs for generalised causal inference / 
William R. Shadish, Thomas D. Cook, Donald T. Campbell 
 -  Wadsworth Cengage Learning  2002 
<br/><br/>19456 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Causation - Experiments
<br/><br/><label>LC Class. No.: </label>BD591  / Sha