Cozby, C.Paul <br/><br/>
Methods in behavioral research 

 - 6th 
 - London  Mayfield Publishing co.  1966-R1997 
 - xii,335p.  PB  24cm. 
<br/><br/><label>ISBN: </label>9781559346597 
<br/><br/><label>Dewey Class. No.: </label>150.72  / COZ