Levin, Jack <br/><br/>
Elementary statistics in social research / 
Levin, Jack. 
 - 10th ed. 
 - Dorling Kindersley (India):  Pearson Education,  2006. 
 - 528p.;24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8131704025 
<br/><br/><label>Dewey Class. No.: </label>519.50243 LEV