Edwards, Allen L <br/><br/>
Experimental design in Psychological research/ 

 - 5th 
 - New York:  Harper and Row,  1985 
 - 584 
<br/><br/><label>ISBN: </label>60418737 
<br/><br/><label>Source: </label> 13701-08-2003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological-Research