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

 - 8th Ed. 
 - Boston  McGraw- Hill Irwin   2001. 
 - xi,396p.: ill.; figures  Appendix, Index, References  23cm 
<br/><br/><label>ISBN: </label>0-07-252342-5 
<br/><br/><label>Dewey Class. No.: </label>150.72 COZ