COOK, THOMAS D. <br/><br/>
QUASI-EXPERIMENTATION: DESIGN & ANALYSIS ISSUES FOR FIELD SETTINGS 

 - S.E. 
 - BOSTON Estados Unidos  HOUGHTON MIFFLIN  1979 
 - 405 
<br/><br/><label>ISBN: </label>0395307902 
<br/><br/><label>LCCN: </label>58021 
<br/><br/><label>Dewey Class. No.: </label>624.1833