Cook, Thomas D. <br/><br/>
Quasi-experimentation: design & analysis issues for field settings 

 - Chicago  Rand McNally  1979 
 - xii, 405p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design
<br/><br/><label>Dewey Class. No.: </label>001.434 COO