COZBY,PAUL C. <br/><br/>
Methods in Behavioral Research 

 - 11th 
 - New York  Mc Graw Hill  2012 
 - 416 
<br/><br/><label>ISBN: </label>9780071086288 
<br/><br/><label>Dewey Class. No.: </label>150.72  / COZ